问题

— Alvin, are you coming with us?— I’d love to, but something unexpected _____. [ ]

A: has come up
B: was coming up
C: had come up
D: would come up

正确答案是：

同类题型

Please don’t enter the room, because it is .

How did the lecture get along by Professor Zhang yesterday?— The audience was ______ by his inspiring speech.

It is said that the famous football star is not willing to play for ____would pay him three million dollars a year

Many of your classmates dislike having to stay up late doing their lessons, _____?

It’s dangerous here. We’d better go out quickly.— I think we should let ______ go first.