It's the one of Lily's old books.这句话有什么错误

It's the one of Lily's old books.这句话有什么错误
It's the one of Lily's old books.这句话有什么错误

It's the one of Lily's old books.这句话有什么错误
It's one of Lily's old books.口语,多读,顺了就知道是哪里错了

the 是定冠词，one是基数词（也是形容词），在没有形容词的情况下，一个完整的句子就需要定冠词the.

去掉the

it's one of Lily's old books.

应该为It's one of the Lily's old books