---Someone’s been here. Who ___ it be? It looks like Helen.---It ___ be Helen.She is ill in hospital.
#88920
A
must; must
B
might; could
C
can; mustn’t
D
can; can’t
推荐题目
Look at the floor , Tom ! _____you watch TV while having a meal?
#89475
A
Should
B
Could
C
Would
D
Must
—I left my handbag on the train, but luckily someone gave it to a railway official.—How unbelievable to get it back！I mean, someone ________it.
#86552
A
will have stolen
B
might have stolen
C
should have stolen
D
must have stolen
The boss requested that he _____ there to work.
#87332
A
was sent
B
be sent
C
should send
D
would be sent
----Why did you leave without a word of warning to John? ----But what otherwise? He never listens to me.
#87513
A
must I have done
B
should I do
C
could I have done
D
would I do