A. Apologising.
1. wrote to you.
2. reply sooner.
3. replying sooner.
B. Giving news.
4. tell you that .../about ... ?
5. what!
6. guess what (happened...)
7. news!
8. know that... ?
9. thing, ...
C. Making suggestions.
10. about (+ing form) ?
11. could ...
12. don't you/we ...?
13. if you/we could ...
14. we/you could ...
