---Must I work out the problem right now?---Yes, you _______. It’s very serious.
#75573
A
can
B
must
C
may
D
should
推荐题目
Tom would rather _________than _________.
#77217
A
stay at home , go out
B
to stay at home , to go out
C
to stay at home , go out
D
stay at home , to go out
(2013·安徽安庆三模)—She looks very happy.She________have passed the exam.—I guess so.It’s not difficult after all.
#62189
A
should
B
must
C
could
D
might
My new pen ______. Who ______ have taken it?
#62850
A
has been disappeared; can
B
has disappeared; could
C
is missing; should
D
has been lost; may
--Jack, is this your jacket?--No, it _______ be my jacket. My jacket is black but this one is blue.
#74588
A
mustn’t
B
needn’t
C
can’t
D
may not