选择填空:1、A:_ you buy me an English-Chinese dicitionary tomorrow? B:Yes,I_.a.May,may b.Couid,can c.Must,may d.Will,can2.You_ give back the book to me now, but you_ lend it to others.a.can't,must b.needn't,mustn't c.mustn't,needn't d.may,need3.A:_ we go out for a walk in the garden? B:That's a good idea.a.Shall b.Can c.Must d.Need请说明原因。谢谢!
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1 b: Could can以 could 开头的提问,相当于can ,但是表示委婉的请求。回答用 can。2 b: needn't mustn't你"不必"现在把书还给我,但是你"不可以"把书借给别人。needn't 不必,通常可用来回答 以 must (必须)开头的疑问句。用must开头的问句不适合 用 mustn't 回答。mustn't 不可以 通常可用来回答以 may (可以)开头的问句。用may开头的问句不适合 用 may not 回答。can't :不能。3 a: shallShall I(we)…?这个句型在征求别人的意见时用,表示“这样做好吗?” 从 B:That's a good idea. 的反应判断,选shall最适合。