The answer is my. It is "describing" the flowers and saying that the flowers are mine.
I, her, and everyone are pronouns that function as a noun phrase. They do/receive the action, while my is "describing" the flowers.
In simple terms, scrubbing the stain only made it worse. Exacerbating means to make something worse than what it already is.
The answer is New England. I edited this so other people can see too. :-)
Answer:
bookshelf
computer software
junk food,tea pot,fire alarm,door bell,food poisoning
air mail,sleeping pill,head office,head word,computer program,door step,book case,
