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题型：单选题题类：常考题难易度：普通

— Can we run across the road now?

— No, We______. We have to wait.

A . needn't B . mustn't C . couldn't

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【解析】

组卷次数：28次 +选题

举一反三

If you wish , you _________ come in and have a cup of coffee.

—Must I clean the classroom now? —No, you_______.

In crowded places like airports and railway stations, you take care of your luggage.

— Must I finish my homework now?

— No, you ________.

你不应该和他们一起去爬山。 (go mountain climbing )

Jean ___have kept his promise. I wonder why he changed his idea.

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