The computer, _______ he paid ¥3,000, was once owned by his uncle.
In Britain,sales of cigarettes have been reduced __________ 30% in the past ten years.
Whenever you are to walk on the ice,__________ that it is solid and safe enough.
It is a __________ that you missed such a wonderful concert.
Because of the snow,many parts of the countryside are only _________ by helicopter.
I tried hard to get some information about the new technology out of his mouth,but he remained __________.