题目内容：

Does your uncle go to his office （ A.by his bike B.on his bike C.ride a bike D.on bike
答案是选B的,我想要分析,谁可以帮我呢?

优质解答

by bike是固定搭配,中间不加任何单词
on one's bike是固定搭配,中间要加修饰词,比如his,her,my等