根据句意及母提示填入适当的单词。

1. The foreign athlete's p_____ is so good that I can't believe he is from South Korea.

2. Sorry, I can't follow you. Can you speak more s_____?

3. Please be more careful, or you'll make more m_____.

4. Though Jet left his friends two years ago, he couldn't forget the f_____ between them.

5. As a s_____, Xu Sanduo knows he must try his best to do everything well. So he succeeded at last.

6. I r_____ I had to work harder to get good results.

7. Don't be a_____ of making mistakes, because everyone makes mistakes.

8. How will you d_____ with these old clothes?

9. It's not easy to s_____ such a difficult problem.

10. We should try our b_____ to learn English well.