Выберите правильный вариант.1. He cant do it a) himself

Выберите верный вариант.
1. He cant do it
a) himself b) herself c) itself d) myself
2. sister is 20ld.
a) I b) me c) my d) mine
3. book have you read?
a) who b) whom c) which d) that
4. This book is interesting but one is more interesting.
a) this b) that c) these d) those