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。

She wrote a book, the name ________　________ I’ve forgotten．

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。

Recently I bought an ancient Chinese vase, the price ________　________ was very reasonable．

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。

The Nile(尼罗河)，________　________ electricity is produced, no longer destroys villages and crops．

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。

The stories, ________　________ this is one example, are well written．