He is used to to his office in spite of bad weather.A. to walkB. walkingC. walkedD. has wa

问题补充：

He is used to to his office in spite of bad weather.

A. to walk

B. walking

C. walked

D. has walked

答案：

A. to walk

(答案→)B. walking

C. walked

D. has walked

解析：本题考查冠词非谓语动词。本题意为“他习惯于步行上班”。在表示这个含义时，be used to中的 to为介词，后接名词或动词。