用所给词的适当形式填空。（10分,每小题2分）
1. John has two (knife) .
2. The pen isn’t mine. It’s (she).
3. What color are (this) coats?
4. My friend and I (be) students.
5. What (do) he look like?1.knives 2. hers 3.these 4. are 5. does
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(答案→)1.knives 2. hers 3.these 4. are 5. does
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