词汇运用 用括号内所给词的适当形式填空（每空不限一词）。
1. Eating too much sweet is bad for your _________(tooth).
2. He is a _________(honest)boy so we seldom believe what he says.
3.We Chinese will celebrate the _____(ninety)birthday of the Chinese Communist Party(中国共产党)in many ways.
4. In the modern world, people often contact each other by _______ (send) e-mails.
5. To keep healthy, I decide ______(exercise) half an hour every day.
6. When traveling, you’d better take a map with ________ (you).
7. The students in Class 2 are having a _________(discuss) about how to achieve a balance between study and play.
8. Though she answered the teacher’s questions _________(incorrect),the teacher didn’t blame her.
9. More and more people have their own cars. That’s why there’s ________(heavy)traffic than before.
10.—Why are you so happy today?
—Because I _____(win)the badminton match.