–How do you travel to school every day? –I go bus.A. onB. atC. inD. by

问题补充：

–How do you travel to school every day? –I go bus.

A. on

B. at

C. in

D. by

答案：

A. on

B. at

C. in

(答案→)D. by

解析：本题考查介词。by bus固定搭配，坐公交车。句意：——每天你怎么去学校？——我乘公共汽车。