–Look! A man is cutting a tree on the moon. --It ______ be true. The teacher said there is no air on the moon.
#74768
A
can’t
B
may not
C
shouldn’t
D
mustn’t
推荐题目
(2013·四川省都江堰市二模)—Mike, I can't find my watch anywhere.—You ________ it while working out.
#62422
A
may have lost
B
could have lost
C
would have lost
D
should have lost
---Is there any breaking news ?--- How shameless ! The Japanese government ______nationalize our Diaoyu Islands!
#62258
A
should
B
shall
C
must
D
dare
You _____ in your composition today. You can hand it in tomorrow morning.
#75867
A
need to hand
B
needn’t to hand
C
needn’t hand
D
don’t need hand
Mr. Bush is on time for everything. How ____ it be that he was late for the important meeting?
#62618
A
can
B
should
C
may
D
must
— Is Jack on duty today? — It ________ be him. It's his turn tomorrow.
#62645
A
mustn't
B
won't
C
can't
D
needn't