—How does Tom go to school?—He goes to school .A. by busB. on his busC. take a busD. by a

问题补充：

—How does Tom go to school?

—He goes to school .

A. by bus

B. on his bus

C. take a bus

D. by a bus

答案：

(答案→)A. by bus

B. on his bus

C. take a bus

D. by a bus

解析：

试题分析:根据问句可知问的是怎样去上学，由答语的结构可知需要一个方式状语，故把C排除，D的表达方式是错误的，不能加不定冠词a，在公共汽车上常用介词in，故排除B，故选A。