Mr. Chapman retired at 70 after he _____nearly 40 years with the Gas Company. [ ]

34．________spending our vacation in the city，why not try hiking in the courtry?

The employee toimpress the company with his cleverness and promptness

Do you mind if I smoke here -_______ You can go to smoke in the next door.

______ you are a college student，you should learn to be independent of your parents’ help