Question

Though it’s a challenging job, he did it ________ it took me．

A. one-third a time
B. one-third time
C. the one-third time
D. one-third the time

Answer 1

答案D
这是倍数的一种表达方式。one-third三分之一，后接the time, it took me是定语从句修饰the time。句意是“虽然这是一项艰难的工作，但是他做这项工作所用的时间是我做这项工作所用时间的三分之一”。"