单项选择题
A.thread B.cord C.string D.rope
By （） computation, he estimated that the repairs on the...
单项选择题By （） computation, he estimated that the repairs on the house would cost him a thousand dollars.
A.coarse B.rude C.average D.general
The （） on this apartment expires in a year's time.A.tre...
单项选择题The （） on this apartment expires in a year's time.
A.treaty B.engagement C.lease D.subsidy
Very few scientists （） completely new answers to the wo...
单项选择题Very few scientists （） completely new answers to the world's problems.
A.come up with B.come out C.come round D.come up to
