句型转换。 1. They are cleaning the window. (
题型：句型转换
问题：
句型转换。
1. They are cleaning the window. (改为一般疑问句)
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2. Tom is working. (改为一般疑问句)
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3. Jim is singing. (改为否定句)
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4. Kate is dancing. (对画线部分提问)
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5. She is sitting near the window. (对画线部分提问)
_____________________________________________?