--- Were you at school when he came to see you ?---- Yes, I __________ a math class .A. had B. was having C. am having
It _______ that the worker didn’t eat anything.
Many families form close friendship _______ the students and stay _____ touch with them.
—We’ve lived here _____2010. —So you’ve lived here ____about five years.
No one knows ____ in fifty years.
—What a beautiful sweater! How much did you _____for it? —198 yuan.