When Lily came home at 5 p.m.yesterday,her mother _______ dinner in the kitchen.A .cooked B .was cookingC .cooks D .has cooked A还是D、为什么?
问题描述：
When Lily came home at 5 p.m.yesterday,her mother _______ dinner in the kitchen.
A .cooked
B .was cooking
C .cooks
D .has cooked A还是D、为什么?
答
B
答
B 五点到家具体时间 当时妈妈正在做饭
答
选B吧,前面有个具体时间五点,应该用过去进行时