1. 给下列句子选择正确的答语。

A. No, he isn't. B. She's a cook. C. Four. D. Yes, it is. He's a farmer. E. It's my baby brother Dan.

1. （1） —Is this your grandfather, Tina?

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3. （2） —What's your sister's job?

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5. （3） —How many people are there in your family?

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7. （4） —Who's that?

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9. （5） —Is he a doctor?

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