题目内容
17.You be hungry yet;you had a big cake only an hour ago.( )| A. | may not | B. | mustn't | C. | needn't | D. | can't |
分析 你不可能饿了,你一小时前才吃了个大蛋糕.
解答 答案:D.
may not可能不;mustn't不可以;needn't不必;can't不可能.根据后面句子中的had a big cake only an hour ago可知,前面句子是表示对情况的很有把握的推测,即"你一定不怎么样""一定不"表推测时用can't而不是mustn't.故选D.
点评 本题考查了情态动词的用法.解答时注意句意以及所给选项的意思并作出正确选择.
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