I don't think you have __________ the work on time.

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.

​