6 Fill in by, on, for, off, with, to. 1. Andy always goes to school. 2. In the morning, the traffic is heavy minivans. 3. When Andy gets trolleybus. cars, buses and the trolleybus, he moves the back to make room for new passengers. 4. The front seats are always. 5. Andy always takes _ people with disabilities. his backpack when there are many people in the trolleybus.