The man over there _________ be over fifty. He looks so young.
#74552
A
mustn’t
B
must
C
can’t
D
can
推荐题目
My _______ name is Guo Ping. We are in the same school.
#77525
A
friend
B
friends
C
friend’s
D
friendly
—Can we run across the road now?—No, we _ . We have to wait until the light turns green.
#75388
A
needn't
B
mustn't
C
couldn't
D
shouldn't
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
