为什么My mother goes to work ( ) her bike,but I go to school ( ) bus.A in;on B by;by C on;by

问题描述:

为什么My mother goes to work ( ) her bike,but I go to school ( ) bus.A in;on B by;by C on;by
为什么选c而不选B呢

by bike 是固定搭配用法,但是此句子里 bike 前边有个主语her 所以 用on
by bus 固定搭配,