题目内容
Listen!Who ________ playing ________ piano in the room?
- A.is;/
- B./;the
- C./;/
- D.is;the
D
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相关题目
---Listen! Who ______ in the next room?
---I think Sam is.
---I think Sam is.
A.sing | B.sings | C.singing | D.is singing |