1. Playing PC games is a time-consuming hobby that occupies students precious time.
2. Net chatting dissipates our precious time that should be spent on study.
3. Computer games are so alluring that many children abandon themselves to playing them.
4. Doing a part-time job takes up students valuable time and therefore affects their study.
5. Pet-raising lavishes a great amount of time.
6. Some children lack adequate self-control and self-discipline, so that they revel in online games and chatting all day.
7. In order to earn some money by taking up a part-time job, some students even skip classes and hence their academic performance is seriously affected.
8. Some of the students are immature and curious, so they can hardly resist the temptation and indulge in net surfing.
9. TV helps people to kill time and drive off their loneliness.
10. Children are not encouraged to keep pets because pet-raising is a time-consuming hobby and children are likely to be diverted from their study.
11. Soap opera is a time-filler.
12. Students should be taught to refrain themselves from chatting online because their sole task is study.
13. Those who wallow in the Internet tend to lead an indolent life.
14. Some TV programs are so tempting and distracting that many children can hardly focus on their study.
15. We should do away with some bad habits and take part in some rewarding activities.