7．-Did the train arrive in time? -No. It two hours ago. A. must have arrive ——青夏教育精英家教网——

摘要：7．-Did the train arrive in time? -No. It two hours ago. A. must have arrive B. ought to have arrived C. must arrive D. ought to arrive

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—Did the train arrive in time?

—No. It ________ two hours ago.

A. must have arrive

B. ought to have arrived

C. must arrive

D. ought to arrive

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—Did the train arrive in time?

—No. It ________ two hours ago.

A. must have arrive

B. ought to have arrived

C. must arrive

D. ought to arrive

查看习题详情和答案>>