——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?
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?
答