A、He is an English teacher. B、He teaches freshman. C、He will be at the McKane Hall at 11 o’clock. D、He will take daily roll at h

A: Did you find Xavier, Allison?
   B: Yeah, but the class was moved to another building, so I got lost and I was late by 20 minutes for the class at 8 am.
   A: Don’t worry about it. It was a freshmen class, so I’m sure that you weren’t the only person who was late. How was your first biology class?
   B: It’s seems like the first day is just going over the syllabus and finding out what will be expected of us.  There will be three short papers in my biology class, and one class presentation. The professor said he would take daily roll, but we could be allowed three absences without affecting our grades. I hope that I’ll be able to deal with all of the tests!
   A: I’ve just finished my nursing class. The professor said we had to do a considerable amount of reading. And I still have an English class at 11.
   B: So do I. we must be in a same class] Is that with Dr. Thompson?
   A: Yes, that’s the one! At least there’ll be a familiar face in class!
   B: Look at the time! We’d better start off to class!
   A: Which way are we going? The English class is in McKane Hall, isn’t it?
   B: Yeah, I think it’s on upper campus. We’d better hurry! It’s a bit of walk.
19.When does the conversation probably take place?
20.What time is Allison’s classes today?
21.What is Xavier according to the conversation?
22.Which of the following is NOT true about Dr. Thompson?