. two boxes a box a cake three cakes a schoolbag four schoolbags . a bbuuss seven buses . 写出下列名词的复数形式 1.book books 一般情况在名词后 2.cake cakes 直接加“s” 3.apple apples 4.pencil pencils 5.orange oranges 6.blackboard blackboards Unit One Topic Three Section C . AA:I:WIsWsththhaaitst’’asas/t/atahhnnia…s…tin?i?nEEBnBn:g:NgYliloseish,sih,?t?…isBnB.:’I:tIt.’tIs’sta’as/a/aan/na…n……. . . . A:What are Leabharlann Baiduhese? B:They are …ora. nges. . A:What are those? B:They are …bo.oks. A:Are these apples? B: Y…es.,they are. . A:Are those erasers? B: No,they aren’t.They’re telephones. 7. box boxes 以“s, x”结尾加“es 8.bus buses . .