4. Finding the Classroom




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A: It takes me hours to find my classroom.

B: I might be able to help you.

A: Really? That would be great!

B: What's your classroom number?

A: My classroom number is A21.

B: So the "A" is the building type.

A: Okay, but I don't know where that is.

B: Do you know where the gym is?

A: Yeah, I do.

B: Okay, your classroom is behind the gym.

A: That's really helpful! Thank you.

B: No problem, and the "21" means it's upstairs.