He was about to go out for a walk _____ his teacher came to visit him.
The country itself didn't have enough gas because of the war, so the government decided to_____ its gas supply to other countries.
—I don’t like this kind of music.—_______. It’s too noisy.
—Does he like tea or coffee? —Sorry. I don’t know ______ he prefers.
—Does he like tea or coffee?
—Sorry. I don’t know ______ he prefers.
_______, a learned man makes fewer mistakes in life than a man without knowledge.
“It’s raining too heavily at this moment,” said the old woman, ________ out of the window.