Question

we go to school ________ a bus every morning. A.o

we go to school ________ a bus every morning.
A.on. B.by

Answer 1

on。因为by+交通工具，无介词。比如by bike ,by subway

Answer 2

we go to school _A_ a bus every morning.
A.on. B.by

Answer 3

A
by bike固定词组

Answer 4

A

追答

on a bus =by bus搭乘公交

Answer 5

选A

追答

by是介词后边要加名词，只能选A on a bus坐公交