题目内容
20.-Must I wash these plates?-No,you .The machine can do it.( )
| A. | mustn't | B. | can't | C. | may not | D. | needn't |
分析 --我必须刷那些盘子吗?
--不,没必要.那台机器可以做的.
解答 答案:D.
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:不许(表禁止);B:不能;C:不可以;D:没必要;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D.
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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