It took us ----to finish this work.A .three hour and a half B.three and a half hour C. three and half hours D.three and a half hours 详细讲解一下

问题描述:

It took us ----to finish this work.
A .three hour and a half B.three and a half hour C. three and half hours
D.three and a half hours 详细讲解一下

数词加hours and a half
或是数词+and a half hours
所以选D

选A。还有一种说法,three hours and a half.

.three and a half hours
“数词+and a half +名词复数” 或者“数词+名词+and a half ” 表示……半