David: Where are we going?

Tim: We are going to the dinosaur museum.

David: Oh, yeah! That's great. I can't wait to go.

Museum interpreter: Here are some very old dinosaurs. This is stegosaurus .

Tim: Wow! Look at that. It looks like daggers on its back.

David: That's great! I will take photos with it.

Museum interpreter: Boys! This is a museum. You should be quiet and listen carefully.

Tim and David : Oh, I'm sorry.