Which of the following statements is the correct beginning of the sentence? ........................, aren't we?
1 We are never watching TV programs that are about endangered animals
2 We are going to travel to one of the famous historical sites in Italy with four of our Italian friend 
3 We aren't playing football with our fiends that are from England because they always win the game
4 We often try to listen to the advice of our elders because they have gained lots of experience during their lives