按要求改写句子。
1. Blue is my favourite colour. (对画线部分提问)
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2. He is wearing some clothes. (改为否定句)
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3. The coats are on the bed. (对画线部分提问)
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4. It’s your dress. (改为复数形式)
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5. Does Ben like this pair of trousers? (作肯定回答)
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