根据对话内容， 从方框内所给的选项中选出最佳选项， 将其答案的序号写在方框下面的横线上， 选项中有两项为多余项。
W: Sorry, I can't.   
M: Are you having an exam tomorrow?
W: Yes.   
M: I wish you good luck.
W: Thanks.  But I am a little afraid.
M: Afraid?  
W: But I haven't worked hard in the past few days.
M : 
W:Oh, I like my English teacher, Sue, best.  She teaches history and she always makes the lessons interesting.
M: Do all the students like history?
W :  My friend Tom hates it, because we have lots of homework every Monday and every Wednesday we have a test.

A. Why do you like your history teacher? B. Who is your favorite teacher? C. Yes, it's such an interesting subject that we all like it. D. I have to go over my lessons. E. Oh, no! F.  We are having our mid-term exam. G. You always study well.