He____know the answer, but I’m not sure.
#76371
A
maybe
B
may be
C
may
D
must
推荐题目
You ________ be hungry already — you had lunch only two hours ago!
#63107
A
wouldn’t
B
can’t
C
mustn’t
D
needn’t
---I didn’t go to work today. ----You _____; it’s Sunday today.
#63665
A
mustn’t have
B
didn’t need to
C
can’t have
D
needn’t have