问题

They _________ the plane, or perhaps they have been prevented from coming for some reason

A:can have missed
B:can have lost
C:may have missed
D:may have lost

正确答案是：

同类题型

Would you like to _________ us in a game of cards? — I’d like to, but I have to _________ a lecture.

The difficulty we now meet with is ___________ we can persuade him to tell the truth.

I enjoy _____the western food and I often make somefor my parents.

_____ for five minutes; why don’t they come?

I am hungry. I’d like to have some ______.