根据句子意思及首字母提示，补全单词，完成句子。

The United Nations is a place w________ the countries of the world meet．

根据句子意思及首字母提示，补全单词，完成句子。

Brain is a good friend of mine, he has told me a lot a________ his family．

根据句子意思及首字母提示，补全单词。

A d________ tells us the meanings of words．

根据句子意思及首字母提示，补全单词。

I’m interested in the news, I want to be a j________．

根据句子意思及首字母提示，补全单词。

If you master a new language, you will get a new o________．