—Tom, must you have the light all night? It’s really a waste.
—Sorry, I won’t do it again.
A. burned
B. burning
C. to burn
D. to be burned
网友回答
A. burned
(答案→)B. burning
C. to burn
D. to be burned
解析:句意:--汤姆,你必须让灯晚上一直亮着吗?太浪费了。--对不起,我以后不这样了。这里light与burn之间是主动关系,have sth doing使某物一直处于做……,故选B。