Sure! Here are the correct forms of the verbs or words in the brackets:

1. I feel so **sleepy** that I’m going to bed.
2. Could you **straighten** the picture over the sofa?
3. The country is very **mountainous** so travelling by road is very difficult.
4. There were over twenty **musicians** in the orchestra.
5. We always have a bed ready in the spare room in case visitors arrive **unexpectedly**.
6. Reading the newspapers is a good way of increasing your **knowledge**.
7. Hurry up or we **will miss** the last bus to school.
8. When my brother and I were small, we **went** swimming every weekend.
9. **Don’t eat** too much meat and fatty food. It is not good for our health.
10. This is the first time I **have spoken** to a foreigner.