V.
10. Students in my school are interested in helping poor children in our town.
11. We want to clean up the lake twice a week because it is full of rubbish.
12. I am willing to help my mother with the housework when I have a holiday.
14. My neighborhood is clean because no one throws trash on the street.
II.
2. Every day he does his homework, but today he watches TV.
3. My brother is doing karate at the moment. He always does it on Sundays.
4. I hate him. Last night he called me on the phone but i didn't answer. He drove to my house,so I am angry.