填入一个适当的单词补全对话，每空一词。

A:Areyouonline?

B:Yes,Iamreadingaletter.

A:How___1___doyouusetheInternet?

B:Iuseitalmosteveryday,butlonlyuseittocheckmy___2___toseeiftherearelettersfrommypenpal.YouusetheInternetalot,don’tyou?

A:Yes,Iuseittodosome___3___.Ibuyalotofthingsatthelowestprices.

B:Itsounds___4___.So,you’reonlinemanyhoursaday?

A:Yes.Iliketodothat.Itmakesmefeelgood.

B:DoyouthinktheInternetisvery___5___inourdailylives?

A:Yes,Ithinkso.Itseemsthatwecan’tlivewithoutit.Buttherearesomeproblems,too.

B:Forexample?

A:Alotoftheinformationyoufindonlineisnottrue.Soyoumustbeverycareful.

B:Isee.Thanksforyouradvice.

1．________2．________3．________4．________5．________