听一段对话，回答第11、12小题。
() 11. How did David and Frank go to the zoo?
A. In David's father's car.
B. In Frank's father's car.
C. By bus.
() 12. What did David and Frank NOT do in the zoo?
A. They did not see many animals.
B. They did not watch a show.
C. They did not draw any pictures.
() 11. How did David and Frank go to the zoo?
A. In David's father's car.
B. In Frank's father's car.
C. By bus.
() 12. What did David and Frank NOT do in the zoo?
A. They did not see many animals.
B. They did not watch a show.
C. They did not draw any pictures.
答案：11. B
12. C
12. C
解析：
对于第11题，关键信息是交通方式，根据听力原文（假设内容为"David: My father drove us to the zoo. Frank: Yes, in your father's car."）可确定答案；对于第12题，需判断未进行的活动，根据听力原文（假设内容提及看到动物、观看表演但未画画）可排除完成事项，确定未完成内容。