求解:一道英语四级题目
Nowhereinnatureisaluminumfoundfree,owingtoitsalways____withotherelements,mostcommonly...
Nowhere in nature is aluminum found free,owing to its always ____ with other elements,most commonly with oxygen.
A.being combined B.having combined C.to combine D.combined
望英语高手能帮在下分析一下,不胜感激! 展开
A.being combined B.having combined C.to combine D.combined
望英语高手能帮在下分析一下,不胜感激! 展开
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