问题

Another cup of coffee—No, thanks. I _____ be off. Mary is waiting for me.

A: can
B:may
C:must
D:might;

正确答案是：

同类题型

Thank you for your help. — _________________

He was admitted into Beijing University and years of his hard work ________ eventually.[ ]

I_______ hD.mustn’t

The shoes don’t fit me. Would you please show me ______—Sure. Here you are.

Shall I give you a hand as your case isso heavy—-Thank you._____.