英语 :用适当的关系词填空.

英语 :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 people's Republic of china was founded
7.They work in a factory ______ makes radio parts.
8.They work in a factory _____ radio parts are made.