1. check the brakes,crash helmet, to cross the road, traffic light, fasten your seatbelt, pedestrian crossing, pedestrian, ???
2. can, can, can, cant, cant, cant, cant, can, cant
3. by, by, of, on, on, by, by
4. drive, sail, ride, fly, ride, fly, drive
5 look both ways before crossing the road
dont ride against traffic
always fasten your seatbelt when you drive a car
wear a crash helmet and use bike lanes when you ride your bike
dont cross between parked cars
6. 1. a or c
2. b
3. a or c
4. d