1. We can speak our native language fluently.

2. We work hard to make our country more beautiful.

3. There is a bag on the desk.

4. This book is worth reading.

5. I saw him in the street yesterday.

6. He is crazy about dancing.

7. Please hand in your homework on time.

8. It's sunny today.

9. I love her very much.

10. I want to go for a walk after supper.

这些句子涵盖了不同的主题和情境，简单明了，适合作为英语学习的起点。通过这些句子，可以学习到如何用英语表达肯定和确认的信息。