Задание№1:
1. my; you
2. you; we
3. your; mine
4. our; you
5. he; him
Задание№3
2. Tom hasn't got a laptop and an MP3 player. He has got a car.
3. Alex and Amy haven't got an MP3 player. They have got a laptop and a car.
4. Max and Katie have got a laptop and they haven't got an MP3 player. They haven't got a car.