Complete task 7 by matching the exchanges.

1-e (How about this key ring? - That's a good idea.) 2-c (Can I have two, please? - Sure. That's £2.) 3-a (How can I help you? - I want to buy a doll.) 4-b (How much is it? - It's £2.) 5-d (Is this your new scarf? - Yes, it is.)