－Hi Tom which is the street in your city ?－High Street. Many people go shopping there.A.

问题补充：

－Hi, Tom, which is the street in your city ?

－High Street. Many people go shopping there.

A. busy

B. busiest

C. quieter

D. Quieter

答案：

A. busy

(答案→)B. busiest

C. quieter

D. Quieter

解析：busy忙碌的；busiest最忙碌的；quieter安静的；Quieter安静的。根据下文，许多人去哪里购物。可知上文问的是，在你们城市中哪一条是最忙碌的大街。故选B。