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