Question

i usually go to work by bike but today

英语选择题（请写出解释）
i usually go to work——bike but today i go to wok——a bus
a.by， by b.in，in c.by，on d.on，by

Answer 1

选C....表达乘坐交通工具时，最常用是by...., 例如by bike, by plane, by bus....，by与交通工具之间没有任何冠词，如果有冠词就不能用by, 要用on....。
例如 I go to school by bike = I go to school on a bike.
所以选C