Question

Who wrote this book ?
1) By whom is this book written ?
2) By whom was this book written ?
3) By who was this book written ?
4) By whom were this book written ?​

Answer 1

Explanation:

by whom is this book written mato as brainliest

Answer 2

Answer:

2). By whom was this book written (✓)

hope it will be helpful....

mark it as a brainleist..