---Please turn off the light.
---OK, Mom. I won’t leave the room the light .
A. when; on
B. with; on
C. with; off
D. when; off
网友回答
A. when; on
(答案→)B. with; on
C. with; off
D. when; off
解析：根据题干可知，本句的意思是“开着灯，我不会离开的”，when是引导词，后面应该跟句子，故应该排除AD；“开”用on。所以本题选B。