—Our teachers and parents always warn us not to smoke.—Yes, actually, the risk of heart disease is a powerful argument ____ smoking.
and happy, Tony stood up and accepted the prize.
He found them at a table chess.
Although she has a lot of problems, she managed to remain .
The old professor told us that every part of the materials should be made use of _________the station.
-----Can i pay the bill by check? ------Sorry, sir. But it is the management rules of our hotel that payment _________ be made in cash.