36. If you want to be a postman, it's necessary for you to have .
A. working experience
B. good knowledge of the city
C. a driver's license
D. a college student's card
37. Sunshine School needs .
A. excellent English teachers
B. a hard-working postman
C. full-time drivers
D. an outgoing tour guide
38. If you want to be a taxi driver, you should .
A. be over 45 years old
B. know the city very well