There is somebody here who wants to speak to you句子结构为：There be +名词+地点状语+定语从句先行词为不定代词,引导定语从句用关系代词 that There is somebody here that wants to speak to you 这里有人想对...其中who可以换that吗？先行词为不定代词的时候，引导定语从句用关系代词只能用 that 来以引导例如：All that she can do is to help her get out of troubleAnything that is considered acceptable should be accepted