小学英语名词单复数练习题带答案

名词的复数名词单数变复数练习题(一）1、orange2、class3、monkey4、piano5、child6、shelf7、bed8、country9、family10、toy11、foot12、radio13、photo14、tomato15、woman16、knife17、sheep18、ship19、dish20、mouse参考答案：1.oranges2.classes3.monkeys4.pianos5.children6.shelves7.beds8.countries9.families10.toys11.feet12.radios 13.photos14.tomatoes15.women16.knives 17.sheep18.ships19.dishes20.mice1、class2、monkey3、shelf4、country5、toy6、foot7、sheep8、leaf9、lady10、brush11、goose12、German13、fireman14、story15、peach16、mouse17、fox18、dish19、crayon20、library参考答案：1.classes2.monkeys3.shelves4.countries5.toys6.feet7.sheep8.leavesdies10.brushes11.geese12.Germans 13.firemen14.stories15.peaches16.mice17.foxes18.dishes19.crayons20.libraries1、orange2、class3、text4、monkey5、piano6、child7、shelf8、bed9、country10、family11、toy12、foot13、Japanese14、radio15、photo16、army17、tomato18、fox19、woman20、knife参考答案：1.oranges2.classes3.texts4.monkeys5.pianos6.children7.shelves8.beds9.countries10.families11.toys12.feet 13.Japanese14.radios15.photos16.armies 17.tomatoes18.foxes19.women20.knives1、son2、friend3、house4、village5、map6、bag7、exercise8、brush9、family10、bus11、city12、box13、baby14、class15、factory16、glass17、dictionary18、watch19、woman20、match参考答案：1.sons2.friends3.houses4.villages5.maps6.bags7.exercises8.brushes9.families10.busses11.cities12.boxes 13.babies14.classes15.factories16.glasses 17dictionaries18.watches19.women20.matches1、lion2、fish3、deer4、uncle5、candy6、baby7、toy8、car9、cup10、bottle11、lake12、hill13、wall14、stamp15、Chinese16、festival17、mountain18、floor19、noodle20、fruit参考答案：1.lions2.fish3.deer4.uncles5.candies6.babies7.toys8.carskes12.hills 13.walls14.stamps15.Chinese16.festivals 17.mountains18.floors19.noodles20.fruits1.I can see five（crayon）.2.Look at these（man）.3.I see some（child）.4.A:Are these your（pencil case）?B:Yes,they are.5.There are three（library）in our school.6.I have two(knife).7.There are many(box)here.8.There are many(bus)on the road.9.A few(boy)are drawing on the wall.10.The(child)are playing football now.11.Please take two(photo)for me.12.I like the red.(tomato)13.Would you please clean your now?(tooth)14.Do you want some?(milk)15.There are ten(woman teacher)in our school.参考答案：1.crayons 3.children2.men 4.pencil cases 5.libraries 6.knives7.boxes8.buses9.boys10.childrenk15.women teachers1.I have two(knife)______.2.There are many(box)______here.3.There are many(bus)______on the road.4.A few(boy)_____are drawing on the wall.5.The(child)____are playing football now.6.Look at those______.(sheep)7.I can see a(policeman)____standing near the door.8.Do you want some(potato)____for dinner?9.He has two_____(car).One is blue,the other is yellow.10.Two(family)____live in this building.参考答案：1.knives2.boxes3.buses4.boys5.children6.sheep7.policeman8.potatoes9.cars10.families知识点：英语中的可数名词有单数和复数之分,复数形式的变化规则如下：一、可数名词复数的规则变化。

小学英语名词单复数练习题带答案编辑整理：尊敬的读者朋友们：这里是精品文档编辑中心，本文档内容是由我和我的同事精心编辑整理后发布的，发布之前我们对文中内容进行仔细校对，但是难免会有疏漏的地方，但是任然希望（小学英语名词单复数练习题带答案）的内容能够给您的工作和学习带来便利。

同时也真诚的希望收到您的建议和反馈，这将是我们进步的源泉，前进的动力。

本文可编辑可修改，如果觉得对您有帮助请收藏以便随时查阅，最后祝您生活愉快业绩进步，以下为小学英语名词单复数练习题带答案的全部内容。

英語專項測試名詞複數（總分100分）一、請寫出下列詞の複數形式。

（1’*50=50’)city _____ _zoo ______country _____ tooth ____mouse __ boy____________ broom ___________car ____tree ______horse ______ bus______________ fox _____branch ____ baby _____ family _____ dish _____radio _____ photo _____ piano _____ knife _____leaf _____ life _____ thief _____ _man _____woman _____ child ___ foot this _____________ watch___________ diary____________ day____________ book____________ dress____________ sheep___________ tea_____________ box___________strawberry_________ peach__________ sandwich__________ paper_________juice__________ water____________ milk___________ rice__________ people CD ox___________deer____________ fish___________二、單項選擇(1’＊10=10’）（)1. The __ in our yard are very beautiful.A。

小学英语名词单复数练习题带答案篇一：小学英语名词单复数练习题带答案英语专项测试名词复数（总分100分）一、请写出下列词的复数形式。

(1'*50=50')this _____________watch___________ diary____________ day____________ dress____________sheep___________ book____________tea_____________box___________strawberry_________peach__________ sandwich__________ paper_________juice__________water____________milk___________ rice__________二、单项选择 (1'*10=10')()1. The __ in our yard are very beautiful.A. clothB. waterC. flowers()2. Tom is one of the Chinese _____ in our school.A. boyB. boysC. boies()3. A cat has four ____ , doesn't it?A. footsB. feetC. feets()4. There are three ____ and five _____ in the room.A. American, Japanese B Americans, Japanese C. American, Japanese2016全新精品资料-全新公文范文-全程指导写作–独家原创21/ 1．()5. Can you see nine ____ in the picture?A. fishB. bookC. horse()6. The _____ has two______.A. boy; watchB. boy; watchesC. boys; watch()7. The _____ are flying back to their country.A. GermanyB. GermanysC. Germans()8. The girl brushes her _____ every day before she goes to bed.A. toothsB. teethC. teeths() saw many _____ in the street.A. peoples 's() green sweater is his _________.'s三、选择填空 (1'*10=10')()1. They come from different ______A. countryB. countriesC. a countryD. countrys()2. How many ______ do you see in the picture?A. tomatosB. tomatoesC. tomatoD. the tomato()3. They are______.A . woman teachersB. women teachersC. women teacherD. woman teacher()4. Would you like _______ ,please?2016全新精品资料-全新公文范文-全程指导写作–独家原创21/ 2．A. two glass of waterB. two glasses of waterC. two glass of watersD. two glasses of waters()5. Most of ______ live in _______.A. Germans, GermanB. German, GermenC. Germen, GermanyD. Germans, Germany()6. There are some ______ in these _______.A. knifespencil-boxesB. knivespencils-boxC. knivespencil-boxD. knivespencils-boxes()7. ______ like ______ by air.A. Greens, travellingB. The Green, travelingC. The Greens, travelD. The Greens, traveling()8. I wonder why ______ are interested in action films(武打片).A. the peopleB. peopleC. peoplesD. the peoples()9. There is no ______ in the plate.A. applesB. orangesC. riceD. eggs() uncle has three _______.四.填入所给名词的正确形式(2'*10=20')1. I have two____________ (knife)2. There are many ___________ here. (box)3. There are many ___________ on the road. (bus)4. A few ___________ are drawing on the wall. (boy)2016全新精品资料-全新公文范文-全程指导写作–独家原创21/ 3．5. The ______________ are playing football now. (child)6. Please take two _______________ for me. (photo)7. I like the red ________________.(tomato)8. Would you please clean your _____________ now? (tooth)9. Do you want some _________? (milk)10. There are ten ___________________in our school. (woman teacher)作业I. 写出第三人称单数：wash_________ match _______guess______ study______finish_________ go________ snow______ carry_________II. 用所给动词的适当形式填空：1. He________ TV every evening. (watch)2. We always ________ to school on foot. (go)3. Tom, with his classmates, often ______ football after school. (play)4. Your shoes _______ under the bed. (be)5. ______ here and ______ by me. (come, stand)6. His uncle usually _________ to work by bus. (go)7. I always ______ up at six in the morning.(get)8. John ________ like his father. (look)III. 完成句子2016全新精品资料-全新公文范文-全程指导写作–独家原创21/ 4．根据所给中文意思，在空白处填入适当词语完成句子。

完整版)小学英语名词单复数练习题带答案A。

tables。

XXX。

XXX。

chair5.My sister has two _____ and three _____.A。

child。

dogB。

children。

dogsC。

childs。

dogs6.I need to buy some _____ for my new apartment.A。

XXX7.The _____ in the ocean are beautiful creatures.A。

XXX8.The _____ on the tree are XXX.A。

XXX9.The _____ in the zoo are very cute.A。

XXX10.The _____ in the sky are so pretty tonight.A。

XXXEnglish Test on Plural Nouns (Total Score: 100)I。

Write the plural form of the following words。

(1 point each。

50 points in total)cities。

zoos。

countries。

teeth。

mice。

boys。

brooms。

cars。

trees。

horses。

branches。

babies。

families。

dishes。

s。

photos。

pianos。

knives。

leaves。

lives。

thieves。

men。

women。

children。

feet。

watches。

diaries。

days。

books。

dresses。

sheep。

tea。

boxes。

strawberries。

peaches。

sandwiches。

papers。

juices。

water。

milk。

rice。

people。

oxen。

deer。

fish.II。

Choose the correct answer。

英语专项测试名词复数（总分100分）一、请写出下列词的复数形式。

(*50=)city _____ _zoo ______country _____ tooth ____mouse __ boy____________ broom ___________car ____tree ______horse ______ bus______________ fox _____branch ____ baby _____ family _____ dish _____radio _____ photo _____ piano _____ knife _____leaf _____ life _____ thief _____ _man _____woman _____ child ___ foot this _____________watch___________ diary____________ day____________ book____________ dress____________ sheep___________ tea_____________ box___________strawberry_________ peach__________ sandwich__________paper_________juice__________ water____________ milk___________ rice__________people CD ox___________deer____________fish___________二、单项选择(1’*10=10’)( )1. The __ in our yard are very beautiful.A. clothB. waterC. flowers( )2. Tom is one of the Chinese _____ in our school.A. boyB. boysC. boies( )3. A cat has four ____ , doesn't it?A. footsB. feetC. feets( )4. There are three ____ and five _____ in the room.A. American, Japanese B Americans, Japanese C. American, Japanese ( )5. Can you see nine ____ in the picture?A. fishB. bookC. horse( )6. The _____ has two______.A. boy; watchB. boy; watchesC. boys; watch( )7. The _____ are flying back to their country.A. GermanyB.C. Germans( )8. The girl brushes her _____ every day before she goes to bed.A. toothsB. teethC. teeths( )9.I saw many _____ in the street.A. peoplesB.peopleC.people’s( )10.The green sweater is his _________.A.brotherB.brothersC.brother’s三、选择填空(*10=)A. countryB. countriesC. a countryD. countrys ( )2. How many ______ do you see in the picture?A. tomatosB. tomatoesC. tomatoD. the tomato ( )3. They are______.A . woman teachers B. women teachersC. women teacherD. woman teacher( )4. Would you like _______ ,please?A. two glass of waterB. two glasses of waterC. two glass of watersD. two glasses of waters( )5. Most of ______ live in _______.A. Germans, GermanB. German, GermenC. ,D. Germans,( )6. There are some ______ in these _______.A. knifes pencil-boxesB. knives pencils-boxC. knives pencil-boxD. knives pencils-boxes( )7. ______ like ______ by air.A. Greens, travellingB. The Green, travelingC. The Greens, travelD. The Greens, traveling( )8. I wonder why ______ are interested in action films(武打片).A. the peopleB. peopleC. peoplesD. the peoples( )9. There is no ______ in the plate.A. applesB. orangesC. riceD. eggs( )10.My uncle has three _______.A.childB.childsC.childrenD.childrens四.填入所给名词的正确形式(*10=)1. I have two____________ (knife)2. There are many ___________ here. (box)3. There are many ___________ on the road. (bus)4. A few ___________ are drawing on the wall. (boy)The ______________ are playing football now. (child)Please take two _______________ for me. (photo)I like the red ________________.(tomato)Would you please clean your _____________ now? (tooth)Do you want some _________? (milk)There are ten __________ _________in our school. (woman teacher)作业写出第三人称单数：wash_________ match _______guess______ study______ finish_________ go________ snow______ carry_________II. 用所给动词的适当形式填空：1. He________ TV every evening. (watch)2. We always ________ to school on foot. (go)3. Tom, with his classmates, often ______ football after school. (play)4. Your shoes _______ under the bed. (be)6. His uncle usually _________ to work by bus. (go)7. I always ______ up at six in the morning.(get)8. John ________ like his father. (look)III. 完成句子根据所给中文意思，在空白处填入适当词语完成句子。

英語專項測試名詞複數（總分100分）一、請寫出下列詞の複數形式。

(1’*50=50’)city _____ _zoo ______country _____ tooth ____mouse __ boy____________ broom ___________car ____tree ______horse ______ bus______________ fox _____branch ____ baby _____ family _____ dish _____radio _____ photo _____ piano _____ knife _____leaf _____ life _____ thief _____ _man _____woman _____ child ___ foot this _____________ watch___________ diary____________ day____________ book____________dress____________ sheep___________ tea_____________ box___________strawberry_________ peach__________ sandwich__________ paper_________juice__________ water____________ milk___________ rice__________people CD ox___________deer____________ fish___________二、單項選擇(1’*10=10’)( )1. The __ in our yard are very beautiful.A. clothB. waterC. flowers( )2. Tom is one of the Chinese _____ in our school.A. boyB. boysC. boies( )3. A cat has four ____ , doesn't it?A. footsB. feetC. feets( )4. There are three ____ and five _____ in the room.A. American, Japanese B Americans, Japanese C. American, Japanese( )5. Can you see nine ____ in the picture?A. fishB. bookC. horse( )6. The _____ has two______.A. boy; watchB. boy; watchesC. boys; watch( )7. The _____ are flying back to their country.A. GermanyB. GermanysC. Germans( )8. The girl brushes her _____ every day before she goes to bed.A. toothsB. teethC. teeths( )9.I saw many _____ in the street.A. peoplesB.peopleC.people’s( )10.The green sweater is his _________.A.brotherB.brothersC.brother’s三、選擇填空(1’*10=10’)( )1. They come from different ______A. countryB. countriesC. a countryD. countrys( )2. How many ______ do you see in the picture?A. tomatosB. tomatoesC. tomatoD. the tomato( )3. They are______.A . woman teachers B. women teachersC. women teacherD. woman teacher( )4. Would you like _______ ,please?A. two glass of waterB. two glasses of waterC. two glass of watersD. two glasses of waters( )5. Most of ______ live in _______.A. Germans, GermanB. German, GermenC. Germen, GermanyD. Germans, Germany( )6. There are some ______ in these _______.A. knifes pencil-boxesB. knives pencils-boxC. knives pencil-boxD. knives pencils-boxes( )7. ______ like ______ by air.A. Greens, travellingB. The Green, travelingC. The Greens, travelD. The Greens, traveling( )8. I wonder why ______ are interested in action films(武打片).A. the peopleB. peopleC. peoplesD. the peoples( )9. There is no ______ in the plate.A. applesB. orangesC. riceD. eggs( )10.My uncle has three _______.A.childB.childsC.childrenD.childrens四.填入所給名詞の正確形式(2’*10=20’)1. I have two____________ (knife)2. There are many ___________ here. (box)3. There are many ___________ on the road. (bus)4. A few ___________ are drawing on the wall. (boy)5.The ______________ are playing football now. (child)6.Please take two _______________ for me. (photo)7.I like the red ________________.(tomato)8.Would you please clean your _____________ now? (tooth)9.Do you want some _________? (milk)10.There are ten __________ _________in our school. (woman teacher)答案：一、請寫出下列詞の複數形式。

小学英语小升初专题训练-词法专项练习：名词单复数一、单选题（共39题；共78分）1.Its flag got fifty .A. have；starsB. has；starC. has；stars2.I'm hungry. I'd like some ________.A. riceB. ricesC. sandwich3.How tall the ________ is!A. buildB. buildsC. building4.All of us love our__________.A. hobbyB. hobbysC. hobbies5.—There are __________ on my farm.—Cool! So you often have some delicious __________ to eat.A. many chickens; chickensB. many chickens; chickenC. many chicken; chickensD. many chicken; chicken6.I'm the _______.A. winB. winerC. winner7.I like _________.A. sweetB. appleC. peanuts8.I'm the _________.A. winsB. winC. winner9.Do you want some ?A. riceB. ricesC. ricees10.I'd like some ________ for my lunch.A. tomatoesB. tomatoC. tomatos11.There is a chair between the ________.A. bedB. a bedC. beds12.Some __________ for you.A. onionB. onionsC. oniones13.I don't like __________.A. orangesB. orangeC. orangees14.You are good __________.A. childrenB. childC. childs15.Do you like __________?A. orangeB. orangesC. orangees16.We have 6 new _____________.A. lightB. lightsC. a light17.— What's that?— It's a _____.A. deskB. downC. black18.— How _______________ is it?— Ten _______________.A. many; dollarB. many; dollarsC. much; dollarD. much; dollars19.Point to the ______.A. IB. hiC. desk20.—What do you want, Mum?—I want a new ________.A. dressB. skirtsC. shorts21.I have a ________, but I don't have any ________.A. sister; brotherB. brothers; sisterC. brother; cousins22.Two fat ________are in the rain.A. boyB. girlC. boys23.This is my________.A. girlsB. eyesC. nose24.Here______________ your______________.A. be; sandwichB. is; sandwichesC. are; sandwichD. are; sandwiches25.They eat______________ twelve______________ a day!A. of; hoursB. of; hourC. for; hoursD. for; hour26.There are lots of______________ and______________ in Guilin.A. mountains; lakeB. mountain; lakesC. mountain; lakeD. mountains; lakes27.Eating __________________ food is good for yourA. health; healthyB. health; healthC. healthy; healthD. healthy; healthy28.— There's a lot of __________________ in his room. Who __________________ here? — Sorry, I don't know.A. smoke; smokesB. smokes; smokeC. smoke; smokedD. smokes; smokes29.We sell books and______________.A. fishB. fishsC. clothe30.She is 1.3 tall.A. metresB. metreC. meter31.How many are there?A. bookB. booksC. a book32.He is a basketball .A. playB. to playC. player33.They're my grandpa's _____________.A. dogsB. a dogC. dog34.I like funny ____________________.35.He lost his arms six years ago.So he writes with his right .A. handB. handsC. footD. feet36.It's fourteen dollars and five _________.A. centB. centsC. centes37.He spent about twenty-one ________ in spaceA. hourB. timeC. hours38.I'm going to watch TV _______.A. tonightB. in tonightC. at tonight39.I am sending some ______________.A. photoesB. photosC. photo二、判断题（共4题；共8分）40.So many bottles.41.Hi, boys and girl.42.They are teacher.43.They have many cow.三、选词填空（词汇运用）（共4题；共4分）44.We have fish ________ (sandwich/sandwiches) today.45.We took________ (photos/ photoes) of the Great Wall.46.This is my________ (brother/black).47.She spent about three ________ (hours/hour) doing her homework.四、语法填空（共2题；共2分）48.We have beef noodles and fish ________ (sandwich) today.49.It's one ________ (dollar) and five cents.五、单词拼写（词汇运用）（共1题；共18分）50.按要求完成下列各词（1）don't (全写形式) ________（2）story(复数)________（3）tall(反义词)（4）foot(复数) ________（5）they(形物)（6）sun（形容词）________（7）three （序数词）________（8）five（序数词）________（9）what's（全写形式）________（10）have（单三）________答案解析部分一、单选题1.【答案】C【考点】可数名词，固定搭配【解析】【分析】句意：它的旗帜上有五十颗星。

英语专项测试名词复数练习一一、请写出下列词的复数形式。

(1’*50=50’)city _____ _zoo ______country _____ tooth ____mouse __ boy____________ broom ___________car ____tree ______horse ______ bus______________ fox _____branch ____ baby _____ family _____ dish _____radio _____ photo _____ piano _____ knife _____leaf _____ life _____ thief _____ _man _____woman _____ child ___ foot this _____________ watch___________ diary____________ day____________ book____________ dress____________ sheep___________ tea_____________ box___________ strawberry_________ peach__________ sandwich__________ paper_________ juice__________ water____________ milk___________ rice__________people CD ox___________deer____________ fish___________ 二、单项选择(1’*10=10’)( )1. The __ in our yard are very beautiful.A. clothB. waterC. flowers( )2. Tom is one of the Chinese _____ in our school.A. boyB. boysC. boies( )3. A cat has four ____ , doesn't it?A. footsB. feetC. feets( )4. There are three ____ and five _____ in the room.A. American, Japanese B Americans, Japanese C. American, Japanese( )5. Can you see nine ____ in the picture?A. fishB. bookC. horse( )6. The _____ has two______.A. boy; watchB. boy; watchesC. boys; watch( )7. The _____ are flying back to their country.A. GermanyB. GermanysC. Germans( )8. The girl brushes her _____ every day before she goes to bed.A. toothsB. teethC. teeths( )9.I saw many _____ in the street.A. peoplesB.peopleC.people’s( )10.The green sweater is his _________.A.brotherB.brothersC.brother’s三、选择填空(1’*10=10’)( )1. They come from different ______A. countryB. countriesC. a countryD. countrys ( )2. How many ______ do you see in the picture?A. tomatosB. tomatoesC. tomatoD. the tomato ( )3. They are______.A . woman teachers B. women teachersC. women teacherD. woman teacher( )4. Would you like _______ ,please?A. two glass of waterB. two glasses of waterC. two glass of watersD. two glasses of waters ( )5. Most of ______ live in _______.A. Germans, GermanB. German, GermenC. Germen, GermanyD. Germans, Germany( )6. There are some ______ in these _______.A. knifes pencil-boxesB. knives pencils-boxC. knives pencil-boxD. knives pencils-boxes ( )7. ______ like ______ by air.A. Greens, travellingB. The Green, travelingC. The Greens, travelD. The Greens, traveling( )8. I wonder why ______ are interested in action films(武打片).A. the peopleB. peopleC. peoplesD. the peoples ( )9. There is no ______ in the plate.A. applesB. orangesC. riceD. eggs( )10.My uncle has three _______.A.childB.childsC.childrenD.childrens四.填入所给名词的正确形式(2’*10=20’)1. I have two____________ (knife)2. There are many ___________ here. (box)3. There are many ___________ on the road. (bus)4. A few ___________ are drawing on the wall. (boy)5.The ______________ are playing football now. (child)6.Please take two _______________ for me. (photo)7.I like the red ________________.(tomato)8.Would you please clean your _____________ now? (tooth)9.Do you want some _________? (milk)10.There are ten __________ _________in our school. (woman teacher)单、复数练习一.练习：写出下列各词的复数(本项积分6分，每题0.2分)I _____ him ______ this ______ her _____ watch ____ child _______ photo _______ diary _____ day_____ foot____ book______ dress________tooth_______ sheep ______ box______ strawberry _______ thief _____ yo-yo ________ peach______ sandwich _____ man______ woman______ paper______ juice_______ milk_____ rice_____ tea_____ people_______ CD______二. 请把下列各词变成复数形式，没做完不许看答案哦。

英语专项测试名词复数(总分100分）一、请写出下列词的复数形式.（1’*50=50’）city _____ _zoo ______country _____ tooth ____mouse __ boy____________ broom ___________car ____tree ______horse ______ bus______________ fox _____branch ____ baby _____ family _____ dish _____radio _____ photo _____ piano _____ knife _____leaf _____ life _____ thief _____ _man _____woman _____ child ___ foot this _____________ watch___________ diary____________ day____________ book____________dress____________ sheep___________ tea_____________ box___________strawberry_________ peach__________ sandwich__________ paper_________juice__________ water____________ milk___________ rice__________people CD ox___________deer____________ fish___________二、单项选择（1’*10=10’）（）1. The __ in our yard are very beautiful。

A。

cloth B. water C。

flowers( ）2. Tom is one of the Chinese _____ in our school.A. boy B。

三年级名词单复数题目60道一、单数变复数的基础题目（20道）1. 写出“book”的复数形式。

答案：books。

解析：一般情况下，名词单数变复数，直接在词尾加 -s。

book是规则变化的名词，所以复数是books。

2. 把“pen”变成复数。

答案：pens。

解析：pen也是规则变化，直接加 -s构成复数形式。

3. “ruler”的复数是什么？答案：rulers。

解析：同样遵循一般规则，在词尾加 -s。

4. 将“pencil”变为复数。

答案：pencils。

解析：直接在词尾加 -s得到复数形式。

5. 写出“eraser”的复数形式。

答案：erasers。

解析：按常规在词尾加 -s。

6. “crayon”的复数是？答案：crayons。

解析：直接加 -s。

7. 把“desk”变成复数。

答案：desks。

解析：desk是规则名词，加 -s变为复数。

8. “chair”的复数怎么写？答案：chairs。

解析：在词尾加 -s。

9. 写出“box”的复数形式。

答案：boxes。

解析：以x结尾的名词，变复数时要加 -es。

10. 将“bus”变为复数。

答案：buses。

解析：以s结尾的名词，变复数加 -es。

11. “apple”的复数是什么？答案：apples。

解析：直接加 -s。

12. 把“banana”变成复数。

答案：bananas。

解析：直接加 -s。

13. 写出“pear”的复数形式。

答案：pears。

解析：直接加 -s。

14. 将“orange”变为复数。

答案：oranges。

解析：直接加 -s。

15. “cat”的复数是？答案：cats。

解析：直接加 -s。

16. 把“dog”变成复数。

答案：dogs。

解析：直接加 -s。

17. 写出“bird”的复数形式。

答案：birds。

解析：直接加 -s。

18. 将“fish”变为复数（表示鱼的种类时）。

答案：fishes。

解析：当fish表示鱼的种类时，复数形式是fishes；如果表示鱼肉或者同一种鱼的多条，复数还是fish。