答案
一、1. B 2. C 3. A 4. C
二、1.× 2.× 3.× 4.√
三、1. E 2. C 3. B 4. A 5. D
四、1. Yes, she is. 2. Is he polite? 3. No, he isn’t. 4. Yes, they are.
5. Is he hard-working?
五、1. Who’s your art teacher? 2. He’s short and thin.
3. I know he’s your father. 4. Is he your English teacher?
5. Yes, he is. No, he isn’t.
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