题目内容
用适当的关系代词或关系副词填空。
This is the biology expert, ________ mother is a minister, ________ we met at last Sunday's party．
答案：
解析：
解析：
whose; whom/who/that/不填
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题目内容
用适当的关系代词或关系副词填空。
This is the biology expert, ________ mother is a minister, ________ we met at last Sunday's party．
whose; whom/who/that/不填