问题描述: It's only( )by bus.A half an hours' B half an hour's C half an hour 1个回答 分类:英语 2014-10-13 问题解答: 我来补答 A half an hours' 本身复数形式就不对.B half an hour's 通常接ride walk drive等词,表示多少分钟的路程(后面的动词是指用某种交通工具,或者步行)或者是说half an hour's way by busC half an hour所以我认为选C 展开全文阅读