my sister often go to school_______是by a bike还是on the bike

题目

my sister often go to school_______是by a bike还是on the bike

答案

on the bike 对.
用by时注意：by后面直接加交通工具.而on / in 等要先加修饰词,再加交通工具.
如 by bike = on a/the bike by car = in a/the car
没有by a bike这种写法