Question

【题目】 While I _______ my bedroom, Joe called and said he wanted me to go boating with him.

A. clean B. am cleaning

C. have cleaned D. was cleaning

Answer 1

【答案】D

【解析】试题分析：句意：当我正在打扫我的我卧室的时候，Joe 打电话说他想让我和他去划船。本题考查while引导的时间状语从句当某个动作发生的时候，某个动作正在进行。结合语境，故选D。