Fill in the gaps with the correct prepositions. Choose from the following : at for in of with
1. My elder sistet is really interested .... the problems of the environment.
2. Nobody advised him what to wear .... the interview and he put on his bright green jacket !
3.I would like to find a job .... perks.
4. She is really good .... paperwork - all her letters are always typed and filed neatly.
5.If you are fond .... animals you could study to be a vet.