ther. ③ Is this your sister? ④ Is that her cousin? ⑤ What ’s this? ⑥ This is an apple tree. ⑦ It is an old backpack. 写出下列单词的复数形式: bird —() chick —() chick-( ) fish---( ) church —() pencil box —() toy----( ) donkey —() monkey —() baby----( ) candy---( ) family---( ) potato---( ) tomato —() 练习题: ①– would you like something to drink, Tara? -Yes, I’d like some A. sandwiches B.hot dogs C. water D. bread ② The little baby has two already. A.tooth B. tooths C. teeth D. teeths ③ Help yourself to. A. some chickens B.a chicken C. some chicken D. any chicken ④ The teachers have two to live in. A.woman; room B. women; rooms C. woman; rooms D. women; room ⑤ They are very thirsty. Will you please give them ? A. some bottles of waters B. some bottles of water C. some bottle of water D. any bottle of milk
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