1. into
2. of
3. with
4. about/of
5. for
6. with
7. for
8. on
9. at
1) Who was the one you ran into yesterday?
2) I don't know what he is proud of.
3) Who will he go there with?
4) What are you dreaming of?
5) What is this space for?
6) What does this house benefit with?
7) What do you need two garages for?
8) She doesn't want anyone to depend on.
9) What is the price you've bought the flat at?