Read and choose A, B or C.Hello, I'm Oliver. I'm 1 American boy. My home is not 2 the school. So I usually go to school 3 bus. Sometimes I go 4 by bike. That's good exercise. I have a good friend. His name is John. His home is 5 my home, so we usually go to school together. On the road, we must 6 attention to the traffic lights. Don't go 7 the red light. At the yellow light, we must slow down and 8 . When it's green, we can 9 .10 you know the traffic rules?