精选优质文档-倾情为你奉上高一(上)英语必修二Unit1 Cultural relics语法巩固 (定语从句3)一将下列两个简单句合并成一个含有非限制性定语从句的复合句。 1. I am reading Harry Porter. It is an interesting book. _2. He failed in the exam. It made his parents very angry. _3. He has two sons. Both of them are doctors. _4. Recently I bought an ancient Chinese vase. The price of it was very reasonable. _