题目内容
Who ________ it be at the door?
- A.may
- B.must
- C.can
- D.need
C
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--Listen! Someone is singing in the next room.Who it be? Is it Wei Fang?
--No.It be her.She is at school now.
|
A.can; may not |
B.must; mustn't |
|
C.can; can't |
D.may; won't |