1 (a camera) Tina has got a camera. I've got (OR I haven't got) a camera.
2 (a bicycle) Tina
3 (long hair)
4 (brothers/sisters)

2. Tina has got a bicycle. I've got a bicycle.
3. Tina has got long hair. I've got long hair.
4. Tina has got brothers and sisters. I've got brothers and sisters.

Если я правильно понимаю задание.