单项选择 适中0.64 引用8 组卷327
Excuse me, sir. You __ _ open the door before the train stops.
A.mustn't | B.needn’t |
C.may not | D.don’t have to |
14-15九年级下·全国·单元测试
类题推荐
--I think nowadays the prices of houses and flats are too high.
--_______.
--_______.
A.All right. | B.You are wrong. |
C.That’s interesting. | D.I agree with you. |
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