31. Some vehicles beep when they __________ to warn those behind. A. ride B. reverse C. drive D. sail 32. After school, children queue up and wait for the bus __________ on the pavement in front of the school. A. safe B. bumpy C. safety D. safely 33. Because my school is close to my house, I go to school on __________. A. foot B. bike C.car D. bus 34. I often go to work late because of __________. A. berry jam B. traffic jam C. jam pot D. cherry jam 35. My father goes to work by driving a __________. A. horse B. bicycle C. motorbike D. car 36. How __________ is it from here to the nearest supermarket? – It’s about 500 meters. A. far B. long C. difficult D. nice 37. My English teacher, Mr. Nam, often drives his car __________ on the way to school. A. careful B. caring C. carefully D. careless 38. It is about three kilometers from my house __________ the hospital. A. with B. on C. in D. to 39. We must obey the traffic rules __________ our safety. A. to B. for C. on D. into 40. __________ my way to school, there is a big supermarket. A. On B. During C. At D. In 41. You should walk across the street __________ the zebra crossing. A. on B. at C. in D. from 42. My house is not far from my school, so I usually go __________. A. on foot B. by foot C. by car D. by boat 43. This morning, I was __________ in a traffic jam and got to school fifteen minutes late. A. catch B. block C. struck D. stuck 44. Turn on the left turn __________ before you make the turn and slow down. A. sign B. direction C. signal D. crossing 45. It is __________ to use a hand-held mobile phone while driving or riding. A. safe B. important C. illegal D. careful 46. __________ does it take you to ride to school? – About 30 minutes. A. How long B. How far C. How often D. How much 47. A __________ is a part of a road that only bicycles are allowed to use. A. cycle cross B. cycle lane C. cycle line D. cycle race 48. You __________ cross the street when the light is red. A. should B. don’t have to C. can D. mustn’t 49. People __________ produce as much rubbish as we do now. A. use to B. used to C. used to not D. didn’t use to 50. Why didn’t you __________ the bus I told you? – Because I changed my route. A. catch B. get C. give D. go