—I wonder why Suzan looks worried today.—I’m not sure, but she ________a small accident driving here.
#63149
A
could have
B
might have
C
might have had
D
must have had
推荐题目
What way can you think of ______ the mice in the room?
#78055
A
how to kill
B
to kill
C
killing
D
killed
--- Can we leave the classroom now?-- No, you ______. You ______ to leave until the bell rings.
#75539
A
mustn’t, are allowed
B
don’t have to, are supposed
C
needn’t, aren’t allowed
D
can’t, aren’t supposed