The book is interesting.you lent it to me yesterday.(改为含定语从句的复合句）
问题描述：
The book is interesting.you lent it to me yesterday.(改为含定语从句的复合句）
答
You lent the book which is int-ererting to me
答
The book you lent me yesterday is very interesting.
答
The book you lent to me yesterday is interesting.