Nowhere in nature is aluminum found free ,owing to its always w闂傚倷鑳堕崑銊╁磿婵犳碍鍤堢憸鐗堝笒閻掑灚銇勯幒鎴敾閻庢熬鎷�查看更多

 

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Nowhere in nature is aluminum found free,owing to its always       with other elements,most
commonly with oxygen.
[     ]
A.combined
B.being combined
C.combine
D.having combined

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