—I wonder why Susan looks worried today. —I’m not sure, but she _____a small accident driving here.
#62614
A
could have
B
might have
C
might have had
D
must have had
推荐题目
(2013·北京东城二次联考)—________ you interrupt now？Can't you see I'm on the phone?—Sorry，sir，but it's urgent.
#62522
A
Can
B
Should
C
Must
D
Would
You be hungry after the long walk．Help yourself to some cakes．
#76341
A
can’t
B
shouldn’t
C
need
D
must
You ________ touch the chemical, or you ________ get burnt.
#63118
A
can’t; will
B
mustn’t; will
C
may not; would
D
shouldn’t; should
—— Where is your father? —— He has gone to the supermarket. He __________ at home.
#74996
A
must be
B
mustn’t be
C
can be
D
can’t be