阅读下面短文，掌握其大意，然后从各题所给的四个选项中选出可以填入空白处的最佳选项。

English is ___ useful language and it is spoken in many countries. Some students find it difficult to learn it well. In fact, there are several good ___ to improve your English. First, you should read English aloud every morning. Second, don't be afraid ___ making mistakes when you speak to others. Third, it is a good idea to keep a diary ___ English every day. If you keep ___(5) all these things, you will surely make great progress.

【第5空】