4 because you need to determine everything in the text not move on.
I think it is Star Wars because you are adding on <em>what </em>you are watching
Answer:
It can make readers emotional is not an element of suspense.
Explanation:
The infinitive here is 'to leave', and it is used as an 'adverb', meaning 'with the intention to leave', since it modifies a verb, it has to be an adverb.