John’s never willing to change his mind. It is no use ______with him.
.— Now that you like computers very much, isn’t that a good idea to get a ______?— Well, I’d like to, but I can’t afford such an expensive computer at present.
.I have many friends, _______ some are businessmen.
.The car has been well maintained and is ________ excellent condition.
.— Why was Professor Johnson unhappy those days?— Can’t you see it clearly? The only reason was that the theory he stuck to________ wrong.
.You can see the stars on a clear night ,but in the daytime they are____