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That remains is a puzzle to me中remains是什么词性? 为什么 remains 后面没有 is That remains a puzzle to me.　对我来说,那是一个残余 why is it believed much remains to be done before black a me That remains is a puzzle to me帮我分析下句子结构 that remains a puzzle to me该句中,to me在句中做什么成分,是定语还是补语.状语? 大家来看两个英语句子That remains is a puzzle to me.(这对我还是个难题) She was The fact remains that no one knows the a ____the piane will arrive on schedule remains unknown. A.if 求详解.＿remains a certain doubt among the ... 请翻译：remains in a class by itself 英语翻译1.Scientific prediction of earthquakes【remains(A)】primit Remains .Always .