My father was preparing for his speech __ my mother was doin

My father was preparing for his speech __ my mother was doing some washing last night.
A.if B.while C.unless D.until
lisayanyan50 1年前 已收到1个回答 举报

xuhongjuan 幼苗

共回答了17个问题采纳率:82.4% 举报

B

考查时间状语从句。句意“昨晚我爸爸正在为演讲做准备,而妈妈正在洗衣服。”while表对比,前后都用进行时。故选B。

1年前

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