Choose 3 grammatically corect sentences

Choose 3 grammatically corect sentences
1)If my dad comes early tonight we 'll go to play football
2)My new bike is gooder than the old one
3)Look!She is looking so nice in her new evening dress!
4)The headmaster came into the class while we were having our English lesson.
5)I didn't visited my granny last week.
Nancy is not in.She has gone to the library.