Answer:
3) Refusing an invitation
4) We would be delighted if you could come
Explanation:
I believe it is C. Try and think about where you would naturally pause, you wouldn't say "Tourists in Mexico *pause* enjoy eating the rich, delicious food."
Before you read a piece of fiction, you should____.
"establish a purpose for reading."
Fiction can be a literature in the form of prose, that describes imaginary events or people. Also, it is a belief or statement that is false, but is often held to be true because it is beneficial to do so. That is why establishing a purpose for reading is needed.