1. 从方框中给下列句子选择合适的答语。

A. No, it isn't. B. It's an elephant. C. They are big apples. D. My favourite colour is yellow. E. Yes, he is.

1. （1） —What are they?

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3. （2） —What's this?

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5. （3） —Is your father tall?

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7. （4） —Is your school big?

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9. （5） —What's your favourite colour?

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