---What made her unhappy?---_____.
_____ in prison for ten years, he seems to be unaware of what has happened outside.
— Did your father catch the train?— No. The train _______ before we got to the railway station.
The old man _______ three large houses and a factory before he died. He was quite wealthy.
Having been stuck in the cave for six days without food or water, the young man lay on the ground, _____.
— Mr. Li is in trouble now.— You needn’t feel sorry for him. He _____it on himself.