Her little son fell off the boat into the water due to her carelessness. The mother couldn’t help _____because she couldn’t help _____ her son out of the danger.
— Has he finished his report yet? — I’m not sure. He _______ the report these days.
— When will the new bridge be completed? — It is said that it _______ by the end of this year.
_____ 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.