--- When shall I pay the bill? ---Don’t mind it, sir.__________.
.He's smart enough to know that if he________that crowd, he's to be punished by his father sooner or later.
.The old couple were not used to _____ in the noisy city.
.---I think we should buy a car now so that it will be convenient for us to go to work 。 ---______ , but do you think we have so much money ?
.I’ve never read a better book than this one._____,it is the best one that I have ever read.
.I don’t want to go _______ I am tired of any party.