句型转换。
1. Turn off the TV. (改为否定句)
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2. It is rainy today. (对画线部分提问)
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3. I like to make a snowman in winter. (对画线部分提问)
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4. He saw a man in the room. (改为否定句)
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5. I cleaned the house yesterday. (对画线部分提问)
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