7. I wonder what I who ...

6. What shouldn't be forgotten is ...

5. You could, for example

3. As far as I know ...

4, You shouldn't forget that ...

2. One of the most important facts is ...

1. Correct me if I'm wrong, but ...

25. link...　　 把……和……联系起来

☆交际用语☆

24. ____ least反正；无论如何；至少

23. send ____ 让走开

22. take ____ 拿走；拿开