问题

She ______ know the answer, but I’m not sure.
A:maybe
B:may be
C:may
D:must
B:may be
C:may
D:must
正确答案是:
同类题型
There’s _____ “h” in _____ word “hour” and _____ hour has sixty minutes.
Have a cup of coffee, please. —Thank you. How nice the coffee !
What about ________ out for a walk?
If people cutting down the forest, they will have nowhere .[ ]
Are you satisfied with what she has done?— Not at all. It couldn’t be ________.