2. The o smells terrible. We can't use it for cooking.

1. The w is the largest animal in the sea.

5. We should try to protect ourselves.

   A. to pollute   B. to pollution

   C. from pollute   D. from pollution

4. -- Why do they kill these animals?

--They kill these animals their meat.

   A. with   B. on   C. for   D. get

3. The actress is already 50 ,but she looks than she really is.

   A. young   B. more young

   C. more younger   D. much younger

2. The things in that supermarket are very.Many people go shopping there.

   A. cheap   B. cheaper

   C. cheapest   D. expensive

1. —Time is money.

—But I think time is money.

   A. as important as

   B. more important as

   C. the most important in

   D. more important than

5. The (hard) you work,the better grades you will get.

4. There are fewer and (few) pandas in the world. We should do something to help them.

3. (human) cut down too many trees and kill too many animals.