__________ the police thought he was the most likely one, since they had no exact proof about it, they could not arrest him.
Evidence obtained from observation and experiment is often used to _____ a scientific theory.
Because of the strong sun Mrs. William’s new dining room curtains _____ from dark blue to gray within a year.
. I asked the tailor to make a small _____ to my trousers because they were too long.
It was necessary to _____ the factory building as the company was doing more and more business.
. On turning the corner, we saw the road _____ steeply.