It ___ be the postman at the door. It’s only six o’clock.
#87620
A
mustn’t
B
can’t
C
won’t
D
needn’t
推荐题目
A left-luggage office is a place where bags _______ be left for a short time, especially at a railway station.
#89346
A
should
B
can
C
must
D
will
You____________ this morning if you really wanted to see it yourself.
#89224
A
ought to come
B
might have come
C
ought to have come
D
can have come
一What if you_____ to send an essay with your application?一I would have been rejected．
#86671
A
forgot
B
would forget
C
had forgotten
D
should forget
Why didn't you tell me there was no meeting today? I all the way here through the heavy snow.
#89417
A
needn't have driven
B
can't have driven
C
mustn't have driven
D
shouldn't have driven