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最佳答案：Now have 50% of students for homework more stress, but the worry, 30% of student
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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：1.I want to stay for another week enjoying the scene here.2.You shouldn't leave
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最佳答案：.你不应该没有完成作业就去玩.（leave+宾语+宾补）You shouldn't go out to play leaving your homework u
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最佳答案：1. computer（电脑）：a machine which is used for performing calculations automaticall