根据要求改写句子。
1.Tim goes to bed late .( 改为否定句)
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2. There was a mouse in the old house .(改为复数形式)
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3.Li Lei goes to bed late .(改为否定句)
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4.You can climb the hill .(改为否定句)
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5.The boy has some bread and milk for breakfast . (改为一般疑问句)
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