10. Speaking of the tennis match, this is John's last one of the season.
11. Do you know how to cook this?
12. I feel sick to my stomach.
13. Feel free to call me, whenever you want to play tennis.
14. I have two sisters, and both of them are sick. To make matters worse, they have to take their final exams this week.
15. How come you are not wearing a yellow uniform today?
16. I have to make a decision by 10:30.
17. How often do you play tennis?
18. Do you mind if I give you some advice on that? It is a very important tip on how to use the court.
19. you are much better than me.
