Write the next sentence in the following story.

How to get to know a girl at school you don't know
Start saying hello regularly.
One benefit of being in school together is that you will most likely see the girl on a regular basis. The best way to initiate a relationship is to start saying hello when you see her.

Select from: (I). This will say more to her than " hi. " having a daily conversation introduces you to her, and shows you that this person is thinking of you, not just you.. (II). Make eye contact with the girl when you're around her or stand near her and give her your number if she extends a hand to say hello. Just having her number can help signal to the girl that you find her attractive and that you are interested in her.. (III). It's best to be positive and to use the introduction as a chance to forge a bond. Approach a girl when she's in your class or have lunch with her, if she's an acquaintance or relative of yours.. (IV). Get in the habit of being friendly and greeting her when you see her. It's impossible to get to know someone if you never talk to them... The answer should be
(IV).