The key answer of exercise 4

Conversation 1

1. Brian’s brother – his front teeth and his wrist
2. A wall collapsed when he was trying to climb it and he landed face first, knocking his teeth out (and snapped his wrist).
3. His false teeth fell out at dinner and he put them back in in front of them.

Conversation 2

1. Doug – his forehead (and chin)
2. He hit his head on a shelf. He got blown over and fell and hit his chin on the road.
3. The woman notices and asks about a scar.