Questions 19 to 22 are based on the conversation you have just heard.

A. Animals’ extraordinary ability to predict weather.
B. Some old ways of weather predicting.
C. The wisdom of ancient people.
D. Why we should pay more respect to animals.

A. She wishes she could take a different class.
B. She has already read most of the assigned books.
C. The students don’t have to read every book on the list.
D. The reading list doesn’t contain many interesting books.