根据所给汉语以及句意，以正确的形式填写正确的单词

1、— Do you know something about the book Guinness Book of records ?

—Yes. There are all parts of the world's_______(奇特)people  and things in it.

2、The Browns had a big party to celebrate their daughters______(二十岁) birthday yesterday evening.

3、Yao Ming says he has been working hard and have______(信心)in improving himself.

4、"We are here to build a bridge of trust ( 信任)________(理解)and cooperation(合作 ) between Japan and China,. Wen Jiabao said.

5、You can use some extra words to help to make_____(语言) more polite