Complete the sentences with a suitable preposition

Complete the sentences with a suitable preposition
1. You should be ashamed............your behavior.
2. Do you like chocolate cakes? I am very fond.............them.
3. Young David has got...............trouble as usual.
4. Are you laughing............me? Do I look funny?
5. I don't belive............spending a lot ò money on clothes.
6. I am keen................classical music, actually.
7. You look a bit fed...........Is anything the matter?