1. some заменить на слово - any
2. Have you spent a lot of money at the shops today?
3. There's a lot of work to do on this project.
4. what заменить на - who, и исправить - has written ( man who has written...)
5. Have you already studied the past simple.
6. win заменить на won
7. that заменить на this
8. which I have grown up.
9. I have never learnt Spanish.
10. убрать слово 'like' из предложения
11. My cousin was to Argentina two years ago
12 убрать из предложения частицу 'to'