题目内容
2.-Must we leave the reading room before 5o'clock?-No,you ______.You can stay here until 5:30.( )
| A. | can't | B. | needn't | C. | mustn't | D. | shouldn't |
分析 --在5点之前我必须离开阅览室吗?
--不,你不必.你可以呆在这里一直到5点半.
解答 答案:B.can't不可能;mustn't禁止;shouldn't不应该;needn't不必.根据Must we leave the reading room before 5o'clock?可知这里是must引导的一般疑问句,再根据No,可知这里是作出must引导的一般疑问句的否定回答.must的意思是一定,必须,它引导的一般疑问句通常用needn't或don't have to回答.意为"不必".故选B.
点评 本题考查了情态动词的用法.熟知句意以及所给选项的意思是解答本题的关键.
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