Question

correct the following sentence

Answer 1

1.This book is mine and that is yours.
2.He writes more better than me.
3. it is correct
4. Both of us did not come
5. I and him are brothers
6. not sure
7. What is this for ?
8. I myself saw him do this.
9.This is my new shirt.
10. It was him who did it.

Answer 2

i hope the answer is 2nd