7.This kind of t________ can make your tooth whiter and whiter.

6. I need a pair of warm trousers to keep o________ cold.

5. Many advertisements are a_______ specifically at teenagers.

4. The cake t_________ delicious. Would you pass me one more?　

3. How do you feel a________ pollution?

2. I want to eat something because I am k_______ of hungry.

1. We should protect e_______ animals.

10. Some ads tell the ______(true) and some don’t.

9. When prices ___(list), you can go to the store with the lowest price.

8. Soft color like pink and blue ______(make) people relaxed.