Don’t eat too much chocolate, or you can ______ weight quickly.

“___________ the election is over,” said Powell, “the time has come for me to step down as secretary of state and return to private life.”

They discovered the cause of the fire accidentally. They discovered it _______.

—What do you think of the concert given by the famous Hong Kong singer?
—Not so good．In fact, it _____ to be a great disappointment.

The majority of employers are planning to cut down on wages＿＿＿＿the economic crisis.

With so much noise of the traffic, I couldn’t ______ and do my research work．

He managed what ___a smile of satisfaction though it was an unexpected result that came out..

--- Why do you suggest we buy a new machine?
--- Because the old one has been damaged ___________．

The travel costs ____ 2,000 dollars.

Jack is good, hard-working and intelligent. _____, I can’t speak too highly of him.