--- Where are the students ? How could they keep us waiting for so long? --- They started an hour ago and they____ be here in fifteen minutes, I think.
#90295
A
might
B
would
C
should
D
must
推荐题目
—Why didn't you answer my phone when I phoned you at about 11 p. m. yesterday? —I ___________and failed to hear the phone.
#89324
A
might have slept
B
must be sleeping
C
might be sleeping
D
must have been sleeping
I’d rather that you ______ the operation right away.
#88337
A
perform
B
should perform
C
will perform
D
performed
The book I bought from the bookstore isn’t here. Who __________?
#89207
A
could have taken it
B
must have taken it
C
might take it
D
should take it.