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I didn‘t finish my homework ______ my mother came back home.A since B because C until D after填完后麻烦翻译出来句子的意思

题目详情
I didn‘t finish my homework ______ my mother came back home.A since B because C until D after
填完后麻烦翻译出来句子的意思
▼优质解答
答案和解析
C until not until的结构
知道母亲回家我才做完家庭作业.