题目内容
9.-May we leave the classroom now?-No,you______.You____ to leave until the bell rings.( )A. | mustn't; are allowed | B. | don't have to; are supposed | ||
C. | needn't; aren't allowed | D. | can't; aren't supposed |
分析 句意:--我们现在可以离开教室吗?
--不,你们不能,直到下课铃响了,才可以离开.
解答 答案:D.根据May we leave the classroom now?-No,you-,可知can't表示不能够,用于回答may的提问,再根据You____ to leave until the bell rings.可知在这里You作主语,表示suppose这个动作的承受者,所以这个句子应该用被动语态,后面有until,所以前面应该含有not这个否定词,故选D.
点评 情态动词是中考的必考语言点.情态动词表必要性时用must(必须)与don't have to/needn't(不必要);表推测时用must (肯定、一定)与 can't/couldn't (不可能);表请求和许可时can/may(可以、能够)与can't/mustn't(禁止、不许).
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