9. Since you are very busy, I won't trouble you.

8. He studied hard so that he could catch up with his classmates.

7. Where there is water, there is life.

6. No sooner had I got home than it began to rain.

5.I shall go to the park unless it rains.

4. He is such a good teacher that the students love and respect him.

3. He talks as if (as though) he knew all about it.

2. As (So) long as you work hard, you can catch up with the other classmates.

1. Child as she is, she knows a lot of things.

10、Learn 改learning　 这里名词作主语。