题目内容
17.-Must I clean the room now?-No,you ______.( )
| A. | can't | B. | needn't | C. | wouldn't | D. | shouldn' |
分析 --我现在必须打扫房子吗?
--不,没必要.
解答 答案:B.
结合选项可知本题考查情态动词,首先明确选项中每个单词的意思:A:不能;B:没必要;C:不愿意;D:不应该;根据答语中的No.可知为否定回答,意思是"不,没必要",以must开头的一般疑问句,肯定回答还用must,而否定回答一般借助于needn't或don't have to,表示"没必要",故选B.
点评 本题考查了情态动词的用法.解答时首先根据题干明确句意,理解所给选项中每个情态动词的意思并熟练掌握它们的用法,便可作出正确选择.
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