20. What do people do here in autumn and winter?
A. Take photos. B. Watch birds. C. Enjoy the beauty.
16. Why has the woman come to see Dr. Taylor?
A. She had promised that she would.
B. She has been sick.
C. She needs his approval (赞成) for her courses.
13.
When are they going to
A. In two weeks. B. In a couple of months. C. In half a year.