1 When you go out with your best friends, what do you usualy talk about / on? 2 Do you have any friends that you often argue about/with?
3 Icant rely on / about him-hes always late!
4 She needs a lot of help with/ on maths. It's not her favourite subject.
5 Were looking on / for a new house in the city centre.
2. with
3. on
4.with
5.for