500
A: How _____ you ________(break) your foot?
B: Oh, I ________________(ski).
A: Really? ____________ it _____________ (hurt)?
B: Someone ______________(call) an ambulance.
A: While I ________________(wait), my friends __________(bring) me hot chocolate.
A: How DID you BREAK (break) your foot?
B: Oh, I WAS SKIING(ski).
A: Really? DID it HURT(hurt)?
B: Someone CALLED(call) an ambulance.
A: While I WAS WAITING(wait), my friends BROUGHT me hot chocolate.