问题

The professor________at 8 o’clock，but he has not shown up yet，which worries all of us.[ ]

A:was supposed to arrive
B:must have arrived
C:might have arrived
D:was supposed arriving

正确答案是：

同类题型

She cared for children so much that she devoted most of her time to children ________work after graduation from a university.

He really doesn’t know how football. Can you teach him

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People are strongly advised _____ legal means to settle their disputes.[ ]

didn’t attend his daughter’s graduation ceremony, but he does wish he there.