________ deep down in the earth for thousands of years, the dead forest has rotted away and become c...
2022-12-03 21:27:28 25次 2013-2014学年四川省绵阳市高三12月月考英语试卷（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
________ deep down in the earth for thousands of
years, the dead forest has rotted away and become coal．
A. Having
buried
B．Being buried
C．Buried
D．To be buried
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