用过去分词翻译句子,5句,一定要用过去分词翻译啊!急

1.The concert held by their friends was a big success.
2.The boy looked up with a satisfied expression.
3.The library is closed./The library has been closed.
4.The book is very interesting,and I'm interested in him.
5.His spoken English is very good,but his writen English is not so good.