--Could you tell me how I can get to the nearest park?-- down this street and turn left

问题补充：

--Could you tell me how I can get to the nearest park?

-- down this street and turn left the second crossing.

A. Go; in

B. Go; at

C. Going; on

D. To go; of

答案：

A. Go; in

(答案→)B. Go; at

C. Going; on

D. To go; of

解析：本题回答语是祈使句，用动词原形开头，表示在某个十字路口通常用介词at，故本题选B