________ is the influence of TV that it can make a person famous overnight．

Mike ________ take a bus to the office, but now he _________ walking there.

________ does Kate chat online with her friends —- Twice a week.

典例（2017·课标全国卷Ⅱ）下列各句中，表达得体的一句是（ ）

Their water supply has been_______ becauseof the earthquake.