The students left the room all the lights on.A. withB. andC. butD. when

问题补充：

The students left the room all the lights on.

A. with

B. and

C. but

D. when

答案：

(答案→)A. with

B. and

C. but

D. when

解析：考查with的复合结构。with的复合结构“with+名词(lights)+副词(on)”作状语。句意：学生们在灯光通明的情形下离开了教室。故A正确。