摘要： ---- Listen! Helen is singing in the next room. ---- It be Helen. She has gone to Beijing. A. can’t B. mustn’t C. may D. should
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—Listen ! Helen is singing in the next room.
—It _______ be Helen. She has gone to Beijing.
A. can’t????? B. mustn’t????? C. may???? D. should??
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—Listen ! Helen is singing in the next room.
—It _______ be Helen. She has gone to Beijing.
—It _______ be Helen. She has gone to Beijing.
| A．can’t | B．mustn’t | C．may | D．should |
---Listen! Helen is singing in the next room.
---It ______ be Helen. She has gone to Beijing.
- A.can't
- B.mustn't
- C.may
- D.should