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题目内容
（桂林理工大学大学英语4）
(单选题) A backfire is started__________.(本题2.5分)
A.behind a forest fire
B.ahead of a forest fire
C.on the sides of a forest fire
D.all around a forest fire
A.behind a forest fire
B.ahead of a forest fire
C.on the sides of a forest fire
D.all around a forest fire
参考答案