1.
b) how old
c) where do you live
d) what's your address
e) which country do you come
f) date of birth
g) how long do you want to stay
h) Have you got job

2.
2 g
3 b
4 c
5 h
6 e
7 a
8 f

3.
b friend
c boy
d children
e family
f girl
g teenager
h foreigner