--Is the man standing outside the teacher’s office Mr. Zhou? --No, it ______ be him. He has gone to Hong Kong for an academic conference.
#78290
A
mustn’t
B
can’t
C
needn’t
D
couldn’t
推荐题目
I can’t go to the cinema with you because I _______ stay here until my mother comes back.
#77684
A
can
B
could
C
may
D
must
It _____ last night., because the ground is all wet
#63480
A
should rain
B
should have rained
C
must rain
D
must have rained
--- What ____ have happened to Kevin? --- He might have run into some trouble.
#62710
A
could
B
must
C
would
D
might
—There is a pen on the ground. Is it Li Long’s?—It Li Long’s. He went to Beijing many days ago.
#75013
A
can be
B
can’t be
C
must be
D
might be