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译文：An hour ago, I finished the homework that my teacher assigned to us.����������ô���룿С�������������Żص������Ϊ������һ��Сʱǰ����Ÿո������ʦ���õ���ҵ���룺Xiaoming didn't get home until six pm yesterday. Because only an hour before that did he finish the homework assigned by his teacher.