根据句意和提示以适当的形式填写正确的单词。

1. Mother's Day is the          / / Sunday in May.

2. He is i          in the interesting story.

3. Have you           // of the Olympic mascot(吉祥物)-the five friendlies?

4. Something must be done to stop the factory from           (污染)the environment.

5. English is used           (广泛地) in the world.

6. The moon goes round the earth. It’s earth’s s         .

7. He did his homework so carefully that no m          were made in it.

8. The car isn’t w          what you’ve paid.

9. Don’t put the cup on the edge of the table. It may be k          off.

10. Can you give me a d          of what the thief looked like?