----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
— Must I answer this question in English?— No, you_________.
#76813
A
mustn’t
B
needn’t
C
can’t
D
shouldn’t
My sister met him at the cinema yesterday afternoon, so he       your lecture.
#63160
A
couldn’t have attended
B
needn’t have attended
C
mustn’t have attended
D
shouldn’t have attended