情景对话（共5小题， 每小题1分， 满分5分）
根据对话内容，从方框内选出能填入空白处的最佳选项。其中有两项为多余项。
A : Sorry, I can’t. ______
B : Are you having an exam tomorrow?
A : Yes. _____
B: I wish you good luck.
A: Thanks.  But I am a little afraid.
B: Afraid?  ____
A: But I haven't worked hard in the past few days.
B:  ______
A: Oh, I like my history teacher, Sue, best.  She teaches history and she always makes the lessons interesting.
B: Do all the students like history?
A: ____  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.