We need an umbrella. It is raining heavily outside ( Since )

Writing
 1. We need an umbrella . It is raining heavily outside ( Since )
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2. Nick finishe the Viet Namese Then he will visit the craft village ( After )
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3. We decided to go for a walk in the park . I was very cold outside ( although )
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4. The tounsts wanled to buy some Silk . They went to Van Phuc Village ( Because )
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Giúp mình với đang cần gấp