30. A
31. B
32. A
Question II:
1. on → from
2. How long → How far
3. doesn't go → didn't go
4. doing → do
5. skillful → skillfully
Question III:
1. Brush → Brushing
2. hard → harder
3. use → useful
4. send → will send
5. not watch → didn't watch
Question IV:
1. They can play them at home or at amusement centre.
2. Yes, these are.
3. Bad effects of video games are: sore eyes, backache, wasting to much time or money, neglecting our study,...
4. We should take part in other outdoors activities to develop our social skills.
