—Is Mr. Green in the office?—No, he ________ be in the office. Look, the light in the office is off.
#78340
A
mustn’t
B
can’t
C
needn’t
D
may not
推荐题目
As a well-known Chinese saying goes, “If you want to be rich, you______ first build roads.”
#62745
A
may
B
must
C
can
D
will
Can you imagine that a smart man like him ________ make such a stupid mistake?
#62155
A
might
B
should
C
would
D
need
We should spend as much time as we _______ over our lessons.
#63678
A
go
B
can to go
C
can go
D
can going
I don’t like fish, so I eat it unless I was extremely hungry.
#63629
A
needn’t
B
shouldn’t
C
can’t
D
wounldn’t
-- Who do you think _____ such a foolish thing?-- It _____ Tom, but I’m not sure.
#62680
A
could have done; may have been
B
could have done; must have been
C
should have done; may be
D
must have done; might have been