–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
—Show me your permit, please.—Oh, it's not in my pocket. It ________.
#62323
A
must have fallen out
B
might fall out
C
could fall out
D
should have fallen out
If I _______ plan to do anything I wanted to, I’d like to go to Tibet and travel through as much of it as possible.
#63624
A
would
B
could
C
had to
D
ought to
You _____ hurt your stomach if drinking beer while having sea food.
#63244
A
may
B
need
C
ought to
D
shall