问题补充：
Teenagersallowed to drive in the street .
A. should not be
B. should be not
C. not should be
D. shouldn’t
答案：
(答案→)A. should not be
B. should be not
C. not should be
D. shouldn’t
解析：根据题意，青少年是被允许的对象，故用被动语态，根据青少年不允许在大街上开车，should not be 不应该是shall not be 不愿意是,选A.
