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最佳答案：At the time of cleaning the classroom, he found the ground have a watch
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最佳答案：Take turns to clean the classroom
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最佳答案：Yesterday was Tom swept the classroom.This soil is too infertile that won't have
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最佳答案：坚持每天认真打扫教室内外卫生.Conscientiously adhere to the daily cleaning of health inside and
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最佳答案：Our classroom needs cleaning every day.This photo is taken on the Great Wall.He
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最佳答案：1 这就是你帮助过的人This is the man that you helped2 那个书包被藏起来的男孩正在哭The boy whose bag is h
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最佳答案：1.It is 5:15 now,and the classroom is being cleaned.2.When this accident happene
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最佳答案：Mary花了二年写了这本书.（两种方法）Mary spent two years in writing this book.It took Mary two y
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最佳答案：In fact,no one asked them to do something on the first day of the semester.When
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最佳答案：They have cleaned the classroom for half an hour.We have known each other for fi