Ответ:

1. My young sister gets five pounds POCKET MONEY (КАРМАННЫЕ ДЕНЬГИ) a week from our parents.

2. I think you gave me the wrong CHANGE (СДАЧА), I gave you ten pounds.

3. Excuse me, how MUCH are these jeans?

4. I bought this jumper last week in the WINTER SAIL (ЗИМНЯЯ РАСПРОДАЖА) and it was very cheap.

5. Did you put your money in a PIGGY BANK (КОПИЛКА) when you were a child?

6. Oh no! I left my WALLET/PURSE (КОШЕЛЕК) in the shop. There was a lot of money in it!