to the left and you will see the railway station.A. TurningB. To turnC. TurnedD. Turn

问题补充：

to the left, and you will see the railway station.

A. Turning

B. To turn

C. Turned

D. Turn

答案：

A. Turning

B. To turn

C. Turned

(答案→)D. Turn

解析：考查非谓语动词。祈使句中一般使用动词原形，表示请求命令等语气。句意：向左转，你就会看到火车站了。故选D。