----Will Barbara come to our party? ----I am not sure, because he ____ go to the concert with his friend.
#63370
A
can
B
must
C
should
D
might
推荐题目
It was fine yesterday so I ______ the trouble to carry my raincoat with me.
#63141
A
don’t need to take
B
mustn’t have taken
C
didn’t need to take
D
needn’t have taken
 Something ______ wrong with the car, and it ______ not start.
#63438
A
being, could
B
going, should
C
was, might
D
went, would