Ответ:
1) I wonder if you go to a health resort every summer?
2) I'd like to know if your education is free of charge?
3) I'm interested if there are some privileges of this kind?
4) I wonder if you got the telephone numbers without going on a waiting list?
5) I'd like to know if they provide you with necessary assistance?
6) I'm interested if they have received medical service at a reduced price?
7) I wonder if she has ever got free return passage by sea?
8) I'd like to know if people with disabilities are living below poverty level?
Вместо if можно использовать whether, но оно более формальное, чем if, и чаще употребляется в деловой или официальной переписке, чем в устной речи.
Объяснение: