pronouns(subject or object)
When we grew up,there was no need to rely on(17)_____so much.
She had less housework to do.It was the time for(18)_____to take a
rest.But,unfortunately.(19)_____had got lung cancer.It was probably
due to her smoking habit.(20)_____had to go to the hospital in her
remaining life.Soon,(21)_____died.It was just regrettable.(23)_____
had not enjoyed anything before she died.It was unfair for(24)_____.