根據下面短文內容，在短文的空格處填上一個恰當的詞，使短文完整、通順。
Everyone loves the Internet.You can do a lot（1）

of

of

great things on it．Play games，listen to music or read about your favorite star．But the Internet isn't always safe （安全的）．Here are some（2）

rules

rules

to keep you safe when using the Internet．
   Keep all your passwords （密碼） to yourself．Don't give（3）

them

them

to your friends and don't put them in a file （文件） on your computer．People may use your passwords to do（4）

bad

bad

things．
   Don't open a file or photo from someone you don't know．Sometimes these things have viruses （病毒）．
   Don't give anyone your name or phone number（5）

if

if

you don't know them．Only put it on safe sites （網站）．
   （6）

Also

Also

，don't put your photos on some unsafe sites．Anyone can look at them and sometimes people use your photos for the wrong things．
   It can sometimes be very dangerous to meet Internet "friends"．When someone on the Internet ask you to（7）

meet

meet

them，what do you do？ （8）

Say

Say

no and tell your parents．Some people don't tell true things on the Internet．You must tell your parents if you aren't sure about anything．
   Hope these rules can help you．