Choose the correct preposition

1. Don't get rid [away|back|of|off|on|up] that bike. Some other kid might want it.
2. I always pass my unwanted clothes [away|back|of|off|on|up] to the local shelter.
3. It's a shame to throw [away|back|of|off|on|up] things that other people could use.
4. Our town wants to set [away|back|of|off|on|up] a bike sharing programme.
5. Sharon doesn't mind lending her books to others as long as she gets them [away|back|of|off|on|up].
6. We always give [away|back|of|off|on|up] toys we don't want anymore to children's charities.
7. You can drop [away|back|of|off|on|up] any unwanted items at the community centre.