The farm is very far from there so they go there_bus.A.by a B.on a C.by the D.on

问题描述:

The farm is very far from there so they go there_bus.A.by a B.on a C.by the D.on

The farm is very far from there so they go there_bus.A.by a B.on a C.by the D.on
选B
做交通工具有两种表达方式
【by+交通工具】=【on +a/an+交通工具】
所以有了by就不能加冠词,所以只能选B