Помогите пожалуйста по британскому языку

1. Nansy was happy because she got a puppy as a birthday present
2. Mum couldnt go to the theatre with us because she was busy
3. Phill was ill because he ate too much ice - cream and drank cold juice
4. My little brother didnt swin yesterday because the water was very cold
5. The children couldnt sledge because there wasnt much show 
6. Ned sent a greeting card to Bobby because it was his birthday
7. Id love to have another glass of juice because Im thirsty
8. Id like one more hamburger because Im hungry
9. Pam loves Mike because he takes good cere of his pet

Я выделила because, чтобы было понятно, как связываются предложения.