the internet has become an important part of teenage life.The internet has become an important part of teenage life.Most of them use the internet to get lots of knowledge and i________,and to relax in their spare time.The teenagers keep in touch with their friends online.It is cheaper than phoning s______far away and e-mail is also much q____than ordinary mail.

问题描述:

the internet has become an important part of teenage life.
The internet has become an important part of teenage life.Most of them use the internet to get lots of knowledge and i________,and to relax in their spare time.The teenagers keep in touch with their friends online.It is cheaper than phoning s______far away and e-mail is also much q____than ordinary mail.

imformation,so,quickier