Mr. Wang drive to work but now he there by bike to keep healthy.A. used to; is used to go

问题补充：

Mr. Wang drive to work, but now he there by bike to keep healthy.

A. used to; is used to going

B. used to; is used to go

C. was used to; is used to going

D. was used to; is used to go

答案：

(答案→)A. used to; is used to going

B. used to; is used to go

C. was used to; is used to going

D. was used to; is used to go

解析：be used to do表示“ 被用来做某事”，be used to doing表示“习惯于做某事”，used to表示“过去常常”。根据题干，本句的意思是“王先生过去常常开车上班，但是现在为了保持健康，他习惯了骑自行车去上班。”所以本题选A。