按要求改写句子。1. Jenny can play the piano. (改为否定句)
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2. I sometimes walk to school. (同义句)
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3. This isn't a new dress. (复数)
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4. These are men. (改为单数句子)
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5. Here are many dresses. (改为单数句子)
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6. It's a square. It's a rectangle. (合并为选择疑问句)
_________________________________________________________1. Jenny can't play the piano.
2. I sometimes go to school on foot.
3. These aren't new dresses.
4. This is a man.
5. Here's a dress.
6. Is this a rectangle or a square?