1。This school is the one where I spent my childhood.这个句子中，is后面的内容是表语，如果没有the one 这个词，句子不完整，the one 在这里既当主句的表语又当从句的先行词。2。This is the school where I spent my childhood.这个句子中，This is the school已经是个完整的句子，school是从句的先行词。 3。This school is the one which/that I visit.4。This is the school which/that I visit.这两个句子中，school和the...
