Alice: Hi, Sam! It's nice to see you here.
Sam. Hi. Alice!
Alice: _____(56)
Sam: To my dorm.
Alice: Great! Could you take this book to Peter?
Sam: _____(57)Does Peter know what it is for?
Alice: Yes. _____(58)
Sam: _____(59)Are you well prepared for it?
Alice: _____(60)See you tomorrow!
Sam: See you!
56._____.
A.How about your presentation? B.He needs it for tomorrow's presentation. C.I think so. D.Where are you heading? E.You are welcome. F.No problem!正确答案D