In his house he had a rug （of） which he was very pround.

请问的of可以放在pround后面吗？
改成In his house he had a rug which he was very pround of.
谢谢，最好有例句～～
纠正一下单词：proud
那么他是什么从句呢？

When his wife died,he had to live ____ in a ____ house in the country. He is in his twenties He was surprised that his wife _____near their house. has he moved to his new house yet? He should be instructed in his duties. He seldom put his books in order_____he ? he was ___ in watering his flowers He will be in his small boat he is in his usual health On his return from his office,he found the house d--