Complete the sentences with the given prepositions. There are two words that you don't need to use

• around
• with
• out
• in
• of
• by

1. After several months in a new country she managed to get [ ] all the rules and customs of her new neighbourhood.
2. How on earth did you come up [ ] this ridiculous idea?
3. Paul's trying to make some useful acquaintances to branch [ ] into educational centre.
4. We'll probably take part [ ] this demonstration unless it's prohibited.