精选优质文档-倾情为你奉上 定语从句练习一、 用适当的关系词填空1、This is the professor taught me chemistry in 1980 . 2、The hospital was built five years ago has been modernized. 3、This is the boy father died three years ago. 4、The film we saw the day before yesterday is very interesting. 5、Do you know the student was praised at the meeting? 6、1949 is the year the Peoples Republic of China was founded. 7、They work in a facto