• [A] Yes, I am.
• [B] I am.
• [C] Thank you very much.
• [D] Here.
• [E] That’s a good idea!
• [F] It doesn’t matter, but be on time tomorrow, please.

I’m sorry I’m late.

A．a big dog
B．a small car
C．a big dog and a small car

A．Mr. Jiang.
B．Mr. Wang.
C．English teacher.