they spent several hours a week on this volunteer work
写出同义句：This volunteer work takes thern several hours a week.
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相关问题
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this volunteer work takes each of them several hours a week(
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He spends several hours on volunteer work each week改为同义句
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he spends several hours on volunteer work each week
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I takes me half an hour to finish the work同义句
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求教英语句子——同义句转换同义句转换It takes him half an hour to write this le
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They work six days a week.的同义句
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He spent a week doing the work .(同义句)
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These tours sometimes take several weeks
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They work six days a week.(改为同义句)
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a pair of at least three years take tow hours volunteer agre