【题目】选择合适的选项补全对话。
A. This way, please. B. Do you have an art room?
C. Welcome to our school! D. Do you have a library?
E. How many students are there in your class?
Mike: 1.________ This is the teachers’ office. That is my classroom.
Visitor A: 2. ________
Mike: Thirty-nine.
Visitor B: 3. ________
Mike: Yes.
Visitor A: 4. ________
Mike: Yes. The art room is on the first floor. 5. ________