——HOw long have they been watching TV ——For 急i!

问题描述:

——HOw long have they been watching TV ——For 急i!
A.one and a half hour B.one and half an hour C.one hour and a half D.one hour and half a 主要是A,C,辅导书说A=C,那为什么答案是C不可以是A?

A是一个半小时,但hour要用复数(1.5比1大啊),因此应该是:one and a half hours
C正确