单项选择题
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
单项选择题 Did you notice the guy（）head looked like a big potato?
单项选择题 Both the kids and their parents（）English, I think. I know it from their accent.
单项选择题 Never before（）see such a terrible car accident on the road!
