题目内容
3. My father was preparing for his speech my mother was doing some washing from 8 to 9 o’clock last night.
A. before B. while C. after D. until
3.B
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题目内容
3. My father was preparing for his speech my mother was doing some washing from 8 to 9 o’clock last night.
A. before B. while C. after D. until