1. 这是你的卧室吗？

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A. This is your bedroom?
B. Is this your bedroom?
C. It is your bedroom.

2. 她在书房吗？ 

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A. She is in the study?
B. Is she in the living room?
C. Is she in the study?

3. 瞧！他在这儿。

[     ]

A. Look! He's here.
B. Look! She's here.
C. Look! He's over there.