Beneath the deep oceans that cover two-thirds of the Earth,intriguing secret of the planet are concealed.
which is wrong and why? the answer is c, I think so, but I don't understand why B is correct.
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secret-secrets
that cover two-thirds of the Earth=oceans cover two-thirds of the Earth
定从
为了方便解答与搜索,所以麻烦楼主能按照
【发贴必读】----《语法区版规》提问格式说明★http://forum.chasedream.com/dispbbs.asp?boardID=58&ID=83887&page=1
修改一下标题,谢谢合作哟^_^
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