摘要：2058] deep down in the earth, the dead forests rotted away and became coal. [译文] 由于深深地埋藏在地下.死掉的森林腐烂后变成了煤. A. Buried B. Burying C. To bury D. Being buried [答案及简析] A. buried deep down-.= as the dead forests were buried-.

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