题目内容
5._____he get to school at seven?-No,he ______.( )| A. | Does; needn't | B. | Must; doesn't have to | ||
| C. | Must; don't have to | D. | Must; mustn't |
分析 --他必须七点到达学校吗?
--不,他不必.
解答 答案:B.
根据he get to school at seven?-No,he--.这里表示的是他必须七点到达学校吗?这里句子用must来引导;答语是No,可知下面为否定回答,must的含义是必须一定,其否定形式mustn't表示禁止的含义.在这里不是禁止的意思.must的否定回答一般可借助于needn'和don't have to来构成.表不必.后面的句子的主语是he,这里应该用doesn't.故选B.
点评 本题考查了情态动词的用法.注意must的用法以及它的肯否定形式.
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