问题

Must I make a phone call to himnow—No, you__. You write anemail.

A:mustn’t; may
B:may not; must
C:shouldn’t; must
D:don’t have to; may

正确答案是：

同类题型

It’s a good habit to wash your hands ________ you have meals.

He came to my lecture every week, but his look___that he was not really interested. [ ]

The shirt looks very nice. I guess it is _______ 100 yuan.

___ a very rough sea, with waves ten metres high

England is rather short of arable land , so itis absolutely dependent upon other countries for her food __________．