Reunite is a synonym of reunion. Reunion is a related term of reunite.As a noun reunion is the process or act of reuniting. As a verb reunite is to unite again.
Number One would be the main idea since the passage is related to relationships.
I would recommend sending your teacher an email asking her about it that way you can figure it out soon. But if she says no just practice practice practice. practice with your family or friends or just in your room alone. whatever makes you comfortable. I get really nervous with presentations too but i find that when i practice what i’m saying and get prepared a lot it really helps. hope this helps.