题目内容

---May we go home mow ?
--- No, you____. You____ to go home until 5 o’clock.
A．mustn’t; are allowedB．don’t have to; are supposed
C．needn’t; aren’t allowedD．can’t; aren’t supposed
D
考查情景交际。“我们可以回家了吗”“不，你们不能。你们应该到5点才能回。”用may提问，回答用can，否定回答用can’t；be supposed to do sth.“应该做某事”。故选D。
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