将下列句子改为含有定语从句的复合句
The advice is of value to me. He gave me some advice yesterday.
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Mr Smith is living a hard life now. He was once a millionaire.
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There is a post office in front of the factory. We work in the factory.
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The branches of that tree are almost bare. That tree is very old.
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We will put off the sports meet until next month. The weather is not so hot next month.
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