【题目】听下面一段较长对话，回答以下小题。
【1】What is Mark unhappy with?
A. A girl in his class. B. Friday night’s party. C. His chemistry homework.
【2】Who is David?
A. Jane’s cousin. B. Mark’s cousin. C. Jane’s chemistry teacher.
在线课程【答案】
【1】A
【2】A
【解析】此题为听力题，解析略。
【1】此题为听力题，解析略。
【2】此题为听力题，解析略。