问题
The man in the office ____be Mr. Black because he phoned me from London just now.
A:mustn’t
B:may not
C:can’t
D:needn’t
B:may not
C:can’t
D:needn’t
正确答案是：
同类题型
What were you doing at this time yesterday? —I ______ on the grass and playing with Tony.
The park ______we visited yesterday is an excellent one .
Are people around you used to _______things online?－Yes. It’s much easier, and also cheaper.