题目内容
2.-Must we wear our school uniform this afternoon?-No,you .All of us will go on an outing.( )
A. | mustn't | B. | can't | C. | needn't | D. | couldn't |
分析 句意:--我们今天下午必须穿上我们的校服吗?
--不,你们不必.我们都要去郊游.
解答 答案:C.mustn't禁止;can't不能,不可能;needn't不必;couldn't不能.根据All of us will go on an outing,可知今天下午都要去郊游,属于不必穿校服,must的含义是必须一定,其否定形式mustn't表示禁止的含义.故must的否定回答一般借助于needn'和don't have to来构成.故选C.
点评 本题考查了must的用法.must的否定形式是常考内容之一,结构比较固定,平常应当熟记.
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