Английский 9 класс - вопрос №449871

Нужно исправить ошибки в выделенных словах и словосочетаниях данных предложений. 

Заранее спасибо!

Dave has a teenager in his family. 
Susan says everything will get better. 
Sammy, Susan`s daughter, wanted her belly button pierced.
Sammy has her own rock band.
Susan also had a few cross words about her piercing with his father.
David argued with his parents about the style of his trousers.  
David can`t communicate withboth children.

David believes that his son lost his confidence. 

David is very excited about his chilren`s behavior.  

Susan agrees that children`s behavior is extraordinary.