—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
One of our rules is that every student _______ wear school uniform while at school.
#87030
A
might
B
could
C
shall
D
will
———It was a green dinner. _______ ———Thanks. But it really only took an hour.
#87721
A
You must be tired.
B
I enjoyed it very much.
C
You must have spent all day cooking.
D
I have never had it before.
Were it not for the snowy weather, we ________ all right.
#89373
A
would be
B
would have been
C
were
D
may be
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
--- How much shall I pay for the phone call? --- You ________. This is free of charge.
#87096
A
shouldn’t
B
can’t
C
don’t have to
D
mustn’t