听力对话试题
Questions 19 to 21 are based on the conversation you have just heard.
19.[A] In a college bookstore.
[B] In a lecture hall.
[C] In a library.
[D] In a domp3itory.
20.[A] English.
[B] Biology.
[C] Introduction to English Literature.
[D] A required course.
21. [A] He lives onthe 10th floor of Butler Hall.
[B] He never wants to listen to students.
[C] He used to teach biology.
[D] He is an excellent professor.