My father was preparing for his speech __ my mother was doing some washing last night.A.ifB.whileC.u

题目简介

My father was preparing for his speech __ my mother was doing some washing last night.A.ifB.whileC.u

题目详情

My father was preparing for his speech __ my mother was doing some washing last night.
A.ifB.whileC.unlessD.until
题型:单选题难度:中档来源:不详

答案

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。

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