1. 给下列句子选择合适的答语。

A. It's a book. B. A fan, a light and a bed. C. Good idea! D. It's on the desk. E. Really? Let's have a look.

1. （1） —Let's clean the classroom.

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3. （2） —Where is my new book?

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5. （3） —What's in the bedroom?

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7. （4） —We have a new classroom.

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9. （5） —What's this?

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