Question

【题目】While I _____ my homework in my room, my mother _____ in the kitchen.

A. did; cooked B. was doing; cooked

C. did; was cooking D. was doing; was cooking

Answer 1

【答案】D

【解析】

试题句意：我正在房间里做我的家庭作业时，我妈妈正在厨房做饭。While从句中经常用进行时态，据题意主句my mother _____ in the kitchen.也应用进行时态，故选D。