Решение:
Заменяем слова 'big' и 'little' на более подходящие по смыслу прилагательные.
- You won't need a large amount of money.
- Why are they making such a loud noise?
- I've got quite a wide vocabulary in French.
- There is only a little choice of things we can buy.
- We had a very large number of tourists this year.
- I think the event had great importance for her.
- Isabel only has a limited vocabulary in English.