I missed the last bus and had no money for a taxi; so I could do nothing but home last ni

问题补充：

I missed the last bus and had no money for a taxi; so I could do nothing but home last night.

A. to walking

B. walk

C. walking

D. walked

答案：

A. to walking

(答案→)B. walk

C. walking

D. walked

解析：but作“除……以外”解时，前面有实义动词，不带to，故选B。