—Look at the boy running on the ground. Is it Davis?—It ______ be him. I saw him go to the teacher’s office just now.
#74465
A
mustn’t
B
can’t
C
could
D
might
推荐题目
Holiday shopping ___be a tiring experience．There are so many places to visit and choices to make．
#63186
A
can
B
may
C
shall
D
will
Lucy’s colour ____ blue because she likes to be the leader, so it ____ red.
#77269
A
can’t be; must be
B
can’t be; mustn’t be
C
should be; must be
D
must be; can’t be
―Thank you very much for giving me a hand when I was in trouble.―Don’t mention it. I only did what anyone else _______ in my place.
#62930
A
must do
B
might do
C
would have done
D
can have done
—–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
Li Lei can’t go hiking with us today,because he take care of his sick mother.
#75980
A
has to
B
may
C
mustn’t
D
needn’t