answer keys to the exercises
在家里，妈妈哭红了眼睛 At home, the mother's eyes were red from weeping 练习答案 Answer keys to the exercises 5.在北京，妈妈为了儿子不换房子 In Beijing, the mother would not change her house .
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answer keys to the exercises
回答问题的关键
以上为机器翻译结果，长、整句建议使用 人工翻译 。