The writer was so ______ on her work that she didn’t notice him enter the roomA、absorb

The writer was so ______ in her work that she did

The book ________ on this subject was written by an old female writer.A、referringB、refer

So little______about physics that the lecture was completely beyond her.A．she knowsB．does

She was sure of her skills as a pianist, so she came on stage with dignity and _____

Their voices are so alike that I often _____ Mary for her roommate Betty on the pho

The author really started on his way to become a writer ______.A.when he was in high schoo