A1. I read a book written by late J.R.R. Tolkien.
A2. I read a book written by the late J.R.R. Tolkien.
B1. I have a bunch of hobbies compared to child me.
B2. I have a bunch of hobbies compared to the child me.
Which sentences sound more natural? And why?
Inside or Inside of
Is it correct to say: "If we go (inside of) one operating room, there we will see high-tech equipment"?
Or we always use (inside) without a preposition?