英语题：用适当的介词填空完成下列句子.希望可以快一点!快!
1.Thanks()you birthdaypresent.
2.Do you know()Mr Grenn's country.
3.Selina often writes to her pen pal( )Australia.
4.Jodie is()the Unietd Statea,but she can speak Chinese very well.
5.You can call Mrs Jones( )769-8978 to ask question about math.
6.Ed likes to watch sports( )TV.