task 2 help me please

1. Jane has already eaten her lunch, but John saving his until later.
2. Siska's mobile needs to be fixed, but mine is working.
3. Her computer is a MAC, but mine is a PC
4. We gave them telephone number and they gave us theirs.
5. My pencil is broken. Can I borrow yours ?
6. I have a dog. That dog is mine.
7. She has a cat. That cat is hers.
8. We have a car. That car is ours.
9. They have a bike. That bike is theirs.
10. He has a key. That key is his.

semoga dapat membantu :)
maaf jika terdapat kesalahan :)