—I knocked but nobody answered the door. ----They _____asleep then and didn’t hear you.
#88169
A
must be
B
should be
C
must have been
D
should have been
推荐题目
It_____ have been Tom that parked the car here, as he is the only one with a car.
#90416
A
may
B
can
C
must
D
should
Oh, Janne, you’ve broken another glass. You ought ____when you washed it.
#89876
A
be careful
B
to care
C
have cared
D
to have been careful
I should not have laughed if I________you were serious.
#86477
A
thought
B
would think
C
had thought
D
have thought
I’m glad you told me about yesterday’s show being cancelled. Otherwise I _____ all the way for nothing.
#86919
A
travelled
B
had travelled
C
would travel
D
would have traveled