问题

No one answered the phone. They___________ to the cinema together.
A:must go
B:may go
C:could go
D:must have gone
B:may go
C:could go
D:must have gone
正确答案是:
同类题型
What would you like to eat—–I’m very hungry. _______ you can get. Just get it now.
The well-dressed gentleman______ to be a criminal, which , of course, surprised many readers.
In order to _____ the rising production costs, the subscription rates have been increased.
You have failed two testsYou’d better start working harder, ____ you won’t pass the course