问题

Why didn’t you come to Mike’s birthday party yesterday? —Well, I _____, but I had something important to do at the moment.[ ]

A: should
B: must
C: should have
D: must have

正确答案是：

同类题型

ct is that I earned my passage by working as anunpaid hand, which _______ my appearance.

When Japanese invaded China, all the Chinese refused to ____ themselves to their poor status and fought back.

I can play _____ volleyball but I can’t play _____ guitar.

下列各句中，加横线的成语使用正确的一项是（）

________ sad news it is! We must try our best to help them out of trouble.