按要求改写句子。
1. It's rainy today. (就划线部分提问)
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2. How's the weather today? (同义句)
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3. That is hot. That is cold. (改为选择疑问句)
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4. My favourite shape is a square. (就划线部分提问)
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5. It's twenty degrees outside. (就划线部分提问)
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