L1 U5 Conversation

A: What time is Art class?
B: 2:00 P.M.
A: Uh-oh. Am I late?
B: Yes, you are. It's ten past two.
A: Ten past two?
B: That's right. You're late.

A: What time is Cooking class?
B: 2:15 P.M.

A: Uh-oh. Am I late?
B: No, you're not. It's two five.
A: Two five?
B: That's right. You're on time.

A: What time is Music class?
B: 2:30 P.M.

A: Uh-oh. Am I late?
B: No, you're not. It's two o'clock.
A: Two o'clock?
B: That's right. You're early.