It was freezing last night so they had the fire all night long.A. to burnB. burnedC. bur

问题补充：

It was freezing last night, so they had the fire all night long.

A. to burn

B. burned

C. burn

D. burning

答案：

A. to burn

B. burned

C. burn

(答案→)D. burning

解析：考察分词做宾语补足语。本题中的动词burn燃烧和前面的名词the fire构成主动关系，故使用现在分词burning表示主动和动作的延续。句意：昨天晚上非常寒冷，所以他们让火整晚都燃烧着。故D正确。