How well do you know the lyrics?

Are you a song doof or music expert? Lets find out...

1 Theres always gonna be another mountain....-The Climb
2 5 years from now...-Sk8er Boi
3 meet me halfway...-Meet me halfway
4 i hate it when a guy...-The Best Damn Thing
5 oopsy daisy i hurt you again...-Oopsy Daisy
6 just dance...-Just Dance
7 happy birthday...-Happy Birthday