—–I think the man over there must be Tom.—–It _____ be him. He has ______ to America.
#75468
A
can’t;gone
B
can’t;been
C
may not;been
D
mustn’t;gone
推荐题目
—How much shall I pay for the telephone call? —You  _____. It's free.
#76026
A
mustn't
B
shouldn't
C
don't have to
D
can't
We _______ work very quickly.
#76098
A
don’t need
B
needn’t to
C
need not to
D
don’t need to