― Have you finished your composition already, Jack? ― Yes, I _____ it within half an hour.
The girl spent as much time as she ____ her lessons.
I thought _____ no use talking with him. _____ was a waste of time.
In the school where I study English ____.
In the traffic accident, his father came close to_______
Yang Liwei spent the whole evening talking about the things and persons ________ none of us has ever heard of in CCTV station.