You must ride your bike___ the right side of the street用适当的介词填空

问题描述:

You must ride your bike___ the right side of the street
用适当的介词填空

in
你一定要骑自行车在殿右边当中的旁街

along
意思是“沿着,顺着”

by 或 along 均可.

by 你骑自行车必须要走街道的右边。