题目内容
() 22. My father was preparing for his speech my mother was doing some washing last night.
A. if B. while C. unless D. until
22. B
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激活思维优加课堂系列答案活力试卷系列答案题目内容
() 22. My father was preparing for his speech my mother was doing some washing last night.
A. if B. while C. unless D. until
激活思维优加课堂系列答案活力试卷系列答案