阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。
The computer and the Internet have become a part of teens’ life. The number of teen Internet users in China is (1)_______(get) bigger, up to 700 million. The number (2)________(show) a great increase in Internet users in China over the last few years, especially among teenagers. And China becomes a large market for Internet business. A new survey shows that Chinese teens show (3)________ (interesting) in online activities. They seem not to know that spending too much time (4)_______a computer which is bad for their health. According (5)_______ the survey, 42.6% of teens have built their own web blogs. More than half enjoy (6)________(chat) online with friends and 10.6% of teens play Internet games. It is a pity (7)________ only 6% use the Internet to get information for learning ! The survey also finds that the teens have different favourite places to use the Internet. (8)________teens in towns, 35% choose Internet bars as a main place to go online. For teens living in large cities, 86% use home computers. Too (9)________ time online certainly lead to problems for their life. I think teens should think more about what role a computer(10)________.
