Linguaphone 4.2.3 Postcards

Postcards
Sheila: We’d like some postcards, please.
Newsagent: Our postcards are here, miss.
Sheila: How much are they?
Newsagent: A small postcard’s three pence.
Sheila: How much is a big postcard?
Newsagent: Six pence. How many would you like?
Sheila: Wait a minute, please … What’s this? 
Newsagent: It’s Big Ben.
Sheila: Is this Westminster Abbey?
Newsagent: No, it isn’t. It’s St. Paul’s Cathedral. 
Sheila: Is it near here?
Newsagent: No, it isn’t. How many postcards would you like?
Sheila: I’d like three small postcards and two big postcards. How much is that?
Newsagent: Twenty-one pence.