After her son’s death, the old lady __________ sit at the window, deep in thought.
It was _____ he came back from Africa that year _____ he met the girl he’d like to marry.
Iraq has _____ too many wars, making people ______ a lot.
--- Have you _____ him to give up the job?--- Yes, I have. But he doesn’t listen to me.
Many questions ________ at the meeting, but he answered none.
Watching TV is ________ a kind of relaxation, and it also _______ our knowledge.