nowhere in nature is aluminum found free ,owing to its always ___with otherelements ,most commonly with oxygen A combined B having combiend C combine D being comebined 为什么选D 铝不是应该是主动跟其他物质结合的吗,因该是C啊
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![nowhere in nature is aluminum found free ,owing to its always ___with otherelements ,most commonly with oxygen A combined B having combiend C combine D being comebined 为什么选D 铝不是应该是主动跟其他物质结合的吗,因该是C啊](/uploads/image/z/13912626-66-6.jpg?t=nowhere+in+nature+is+aluminum+found+free+%2Cowing+to+its+always+___with+otherelements+%2Cmost+commonly+with+oxygen+A+combined+B+having+combiend+C+combine+D+being+comebined+%E4%B8%BA%E4%BB%80%E4%B9%88%E9%80%89D+%E9%93%9D%E4%B8%8D%E6%98%AF%E5%BA%94%E8%AF%A5%E6%98%AF%E4%B8%BB%E5%8A%A8%E8%B7%9F%E5%85%B6%E4%BB%96%E7%89%A9%E8%B4%A8%E7%BB%93%E5%90%88%E7%9A%84%E5%90%97%2C%E5%9B%A0%E8%AF%A5%E6%98%AFC%E5%95%8A)
nowhere in nature is aluminum found free ,owing to its always ___with otherelements ,most commonly with oxygen A combined B having combiend C combine D being comebined 为什么选D 铝不是应该是主动跟其他物质结合的吗,因该是C啊
nowhere in nature is aluminum found free ,owing to its always ___with other
elements ,most commonly with oxygen A combined B having combiend C combine D being comebined 为什么选D 铝不是应该是主动跟其他物质结合的吗,因该是C啊
nowhere in nature is aluminum found free ,owing to its always ___with otherelements ,most commonly with oxygen A combined B having combiend C combine D being comebined 为什么选D 铝不是应该是主动跟其他物质结合的吗,因该是C啊
选D
前面是its 而不是it,如果出现it ,也应该选Acombined ,因为it 是单数,要用一般现在时,也应该是combines
its being combined 是最合适的,要记住这种being 可以用以修饰名词,放在名词后,做后置定语