--Do you mind if I smoke here?. --____________. A. Sure. Go ahead B. No. Go ahead C. Yes. Please
We have made ______ clear that we are strongly against smoking in the office.
―People should stop using their cars and start using public transport. ―______. The roads are too crowded as it is.
Do you know the man calling? —No. It’s _____ Mr. Smith. Do you accept ______charges?
Can you give me some advice on how to _____ the time I have lost?
______ I went to Mount Hua, I was deeply impressed with its beautiful scenery.