根据句意及所给汉语提示，写出下列单词。

1. Don't be shy when you talk to              (外国人).

2. You must make an          (道歉) to her for your rudeness.

3. Our English teacher often          (鼓励) us to study English well.

4. I often get           (恼怒) when someone talks to me while I'm reading.

5. I have collected two          (千) different coins.