Youd better not have the light all day long.A. burningB. burnedC. to burnD. being burnt

问题补充：

Youd better not have the light all day long.

A. burning

B. burned

C. to burn

D. being burnt

答案：

(答案→)A. burning

B. burned

C. to burn

D. being burnt

解析：have sth. doing表示“让某事持续进行”。