题目内容
根据句子意思,在下面句子的第一个空白处填入介词,在第二个空白处填入关系代词whom或which。There are 103 elements found in nature, most ________ ________ are metals.
答案:of,which
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题目内容
根据句子意思,在下面句子的第一个空白处填入介词,在第二个空白处填入关系代词whom或which。There are 103 elements found in nature, most ________ ________ are metals.