高等继续教育 / 大学英语II
正确率：100%
题型描述: 单选题
When Lily came home at 5 p.m. yesterday, her mother _ _ _ _ _ dinner in the kitchen.
A. has cooked
B. cooks
C. was cooking
D. cooked
When Lily came home at 5 p.m. yesterday, her mother _ _ _ _ _ dinner in the kitchen.
A. has cooked
B. cooks
C. was cooking
D. cooked
参考答案：