Fill in the gaps with the correct preposition. 1. helen is very nervous starting at her new school. 2.you shouldn't be jealous other people's success. 3.they are very close their parents. 4.rania is very fond her young niece. 5.i'm quite keen maths.

1. Helen is very nervous ..about. starting at her new school.
2. You shouldn't be jealous ...of other people's success.
3. They are very close ..to. their parents.
4. Rania is very fond .of.. her young niece.
5. I'm quite keen .on.. Maths.