while的时间状语从句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请尽快解答,并说明原因.

问题描述:

while的时间状语从句
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
请尽快解答,并说明原因.

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答案:D句意:我在房间里做家庭作业的时候,妈妈正在厨房里面做饭....