—Why does Mary look so worried today?—I’m not sure, but she _____ a small accident driving here.
#62738
A
must have
B
might have
C
must have had
D
might have had
推荐题目
—Whose notebook is this?—It Jane’s. It has her name on it.
#76455
A
must be
B
might belong to
C
may be
D
could be
(2013·江西九江二模)If you won't do as I tell you, you ________ get the chance to be promoted because the competition is just too fierce.
#62419
A
couldn't
B
mustn't
C
shouldn't
D
shan't
— I can’t get through to the general manager’s office.—The line is busy. Someone ________ the telephone.
#76155
A
must have used
B
could use
C
could have used
D
must be using