It is no use _________ to persuade him ________ smoking because he has been addicted to it since he wasyoung.
Food safety is ________ important, so the government spares no efforts to prevent food pollution.
Don’t be so discouraged. If you ________ such feelings, you will do better next time.
Modern forms of transportation and communication have done much to ________the isolation of life in Alaska.
There was a big hole in the road which ________ the traffic.
.Many in the credit industry expect that credit cards will eventually ________ paper money for almost every purchase.A.exchange B.decrease C. trade D replace