Помогите 3.4 безотлагательно

1. H, 
2 G
3 I
4 B
5 E
6 A
7 C
8 F
9 D
Ex 4
1 You should be independent when you leave the nest.
2 A lot of teenagers know next to nothing about household chores.
3 It can't be easy to make the switch from urban life to rural.
4 Teenagers do a disservice to themselves by not learning some basic life skills.