if you don‘t help me,i can’t finish the work.=____ ____ ____,i can't finish the work.Laughing at others when they are in trouble is impolite.____ impolite ____ ____ at others when they are in trouble.
来源：学生作业帮助网 编辑：作业帮 时间：2024/08/31 18:13:00
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