语法知识—情态动词的技巧及练习题

一、选择题

1．—Must I go out to have dinner with you, Mum?

—No, you , my dear. You’re free to make your own decision.

A．shouldn’t B．mustn’t C．needn’t D．can’t 2．—Is that Kate’s green bike?

—It ____________be hers. She likes pink.

A．can’t B．could C．mustn’t D．might 3．You______ worry about your lessons. Be careful next time and you will get a good mark. A．don’t need to B．not need C．needn’t to D．don’t need 4．—________your house be cleaned right now？

—No,it needn't.It may be cleaned this afternoon．（）

A．Must B．May C．Can

5．—Jenny, you _________ push your way onto the bus.

—I’m really sorry about it.

A．mustn’t B．needn’t C．may not 6．—Tom, we’re going shopping at eight, right?

—Yeah, but I ______ be a little late, so don’t wait for me.

A．may B．should C．mustn’t

7．T he milk tastes bad. You’d better_______.

A．throw it away B．to throw it away

C．throw them away D．to throw them away

8．— I would like________ to see a movie.

—It’s too late. You’d better ________alone.

A．to go, go B．go, not go C．to go, not go D．going, go 9．—Can you come to my party on Saturday afternoon?

—Sorry, I can’t. I ________ meet my friends.

A．can’t B．might have to C．needn’t 10．—Must I finish my homework this evening?

—No,you ________.You have a three﹣day holiday.

A．won't B．mustn't C．needn't 11．—Could you please hang out with me this afternoon?

—______. I have to make a plan for Clean-Up Day.

A．Sorry, I couldn’t B．Sorry, I can’t

C．Sure, I can D．Sure, I could

12．—Must we finish the work right now?

—No, you ________. You can do it tomorrow.

A．needn’t B．s houldn’t C．mustn’t D．can’t 13．This book _____ Lucy’s. Look! Her name is on the book cover.

A．must be B．may be C．can’t be D．mustn’t be 14．Everyone______ be polite to their parents.

A．could B．may C．should D．can

15．When I write down what I am showing thanks t o, it’s always for things that money

______buy.

A．needn’t B．shouldn’t C．may not D．can’t

16．— Must I go home? — No, you ________.

A．can’t B．mustn’t C．don’t D．needn’t

17．---I heard they went skating in the mountains last winter.

---It ______ true because there was little snow there.

A．may not be B．won’t be C．couldn’t be D．will be 18．—The food ________be delicious . You ate it up .

—You bet . My mum cooked it for me .

A．must B．may C．can D．need 19．—Must I hand in my reports today?

—No, you ________.

A．mustn’t B．can’t C．shouldn’t D．don’t have to 20．—Is Wilson on duty in class today?

—It________be him. It's his turn tomorrow.

A．must B．can't C．should D．needn't 21．— May I watch TV for a while?

— No, you __________. You have to finish your homework first.

A．can’t B．n eedn’t C．mustn’t D．won’t 22．—The book report is very important. You ________ write it carefully.

—But I ________ hand it in now.

A．must; must B．have to; must

C．must; have to D．have to; have to

【参考答案】***试卷处理标记，请不要删除

一、选择题

1．C

解析：C

【解析】

【分析】

【详解】

句意：——妈妈，我必须和你出去吃饭吗？——不，你不必。亲爱的，你可以自由地做出你自己的决定。考查情态动词。A. shouldn’t不应该；B. mustn’t不允许；C. needn’t不必；