—Did you attend the opening ceremony of The Voice of China last week? —Sorry! We ________ it, but we had a terrible traffic accident on our way.
#86431
A
must have attended
B
must attend
C
could have attended
D
could attend
推荐题目
As she’s not here, I suppose she _____ home.
#89555
A
must go
B
must have gone
C
might go
D
might be going
 Were it not for the snowy weather, we ________ all right. 
#89373
A
would be  
B
would have been
C
were
D
may be
— Lisa hasn't lived here for long. She _____ know many people.
#89273
A
needn’t
B
can’t
C
shouldn’t
D
didn’t