问题

You ________ supposed to be here much earlier, Bill.— Sorry, sir. I got caught in a traffic jam on the way.

A:are
B:were
C:have been
D:had been;

正确答案是：

同类题型

When you get your paper back, pay special attention to _______ have been marked.[ ]

The book was so _____ that I couldn’t help laughing from beginning to end.

Tom was very anxious for the coming exam and told me worriedly, “______, I suppose I’m frightened of failing.”

You have to move out of the way ________ the truck cannot get past you.[ ]

have _______ to tell you!