It`s about__A__ from here.
问题描述：
It`s about__A__ from here.
A.a half-hour`s drive B.half-an-hour drive
C.a half-an-hour drive D.half an hors` drive
为什么选A
答
C的表达方式 a half-an -hour是不对的
要么就是half-an-houryao 要么就是a half-hour
所以C不对
然后B没有所属关系,也不对
D应该是 half an hour's drive
半个小时怎么能加复数呢
所以D不对
A是对的