When the policeman stopped us, we all looked questioningly at him, ________.
According to the United Nations, an aging society refers to one ____ 10 percent or more of the population is over 60, or 7 percent or more is over 65.
I have no money, so a new bicycle is ____.
It was strongly recommended that he ____ a holiday to relieve pressure.
He keeps in the safe $3 million _____ of diamonds.
---- If he does you a favour, you should do him a favour. ---- I can’t agree more. ____.