-- Have you each got a computer in your office?-- Of course.of our work by the computer.A.

-- Have you each got a computer in your office?
-- Of course. of our work by the computer.
A. Two thirds, are done
B. Two third, were done
C. Three quarters, is done
D. Three fourth, was done

A. Two thirds, are doneB. Two third, were done(答案→)C. Three quarters, is doneD. Three fourth, was done解析：句意：---你们办公室里每人都有一台电脑吗？---当然。我们四分之三的工作要用电脑做。首先，分数的表达方式是：用基数词分母用序数词，分子>1,分母用复数；然后，我们的工作是被做的，所以第二个空用被动语态，而且work 表示“工作”是不可数名词。综合以上原因本题选C。

这个问题的回答的对