5. I'm __________ of dogs, so I never come near a dog.

4. There will be a big party at Ann's house. Would you like to __________ us?

3. We should do something to improve our environment, not to __________ it.

2. The famous writer is writing a book __________ the environment.

1. If the factory keeps on pouring waste water into the river, the river will

　　　become very __________.

10. My aunt usually __________ some sports after supper. But she

　　　__________ any sports last night. (do)

9. Lots of fish __________ because of the waste water. (die)

8. - Hi, Lucy. I __________ my umbrella.

　　　 - Really? Where __________ you __________ it then? (find)

7. Don't forget __________ him the good news. (tell)

6. - Where is Tom?

　　　 - He __________ his car in the garden. (mend)