看图，完成对话。
A: Look at this ______ .
B: It's nice, but it's ______ ______ .
A: Yes, guess, ______ ______ is this?
B: Perhaps ______ your sister's.
相关试题
---Excuse me ,is the nearest shop?
---Go straight along this street, and then turn right.
A. where B. how C. what
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