---Mr. White didn’t come last night, did he? ---No. We for him. A whole night was wasted. A. had waited B. have been waiting C. were waiting D, had been waiting
A container weighs more after air is put in,_____proves that air has weight.
I’ll take you to a shopping center nearby_____you may buy all_____you need.
Do you know the reason_____she didn’t attend her boyfriend’s birthday party yesterday?
What especially impressed us was the way_____the girl studied foreign languages.
The young boy got himself into a dangerous situation_____he might lose control over his sports car.