高等继续教育 / 大学英语语法
正确率：100%
题型描述: 单选题
It was very cold in the open air. They had to have the fire ＿＿＿＿ all night long.
A.to burn
B.burning
C.burn
D.burned
It was very cold in the open air. They had to have the fire ＿＿＿＿ all night long.
A.to burn
B.burning
C.burn
D.burned
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