问题补充:
---- How do you usually come to school?
----I usually come to school .
A. take the bus
B. by bus
C. by the bus
D. take a bus
答案:
A. take the bus
(答案→)B. by bus
C. by the bus
D. take a bus
解析:句意:----你通常是怎样来学校的?----我常常是坐公交车来学校。这里应用动词come/go+by+交通工具,表示怎样来去。因此,选B。