Reflexive verbs or no?

Question

What are the correct answers to these? #1 is to use one per blank. #'s 3 and 4 are choose a or b.

1)?Que haces tu y tu mejor amiga cuando ella se va de viaje? ___ y nos___. (abrazarse and despedirse)

2)Hoy es el ultimo partido de balonsesto. Quieren ustedes ir con nosotros? Por supuesto! Siempre ___ con ustedes! (pasarlo bien)

3)Mi hermana ___ a las once todas las noches. (choose a.se duerme or b.duerme)

4)Mis companeros ___ estar muy contentos hoy. (choose a.parecen or b.se parecen)

I put: 1) Nos abrazamos/ nos despedimos 2) nos pasamos bien 3) b 4) b

EDIT!!!!: DOES ANYONE ELSE KNOW THE ANSWERS? I could really use the help.

Please explain why you chose what you chose. - jtaniel, Oct 16, 2017

For the first 2, I put nos because they're answering questions with reflexive verbs. I thought the third one was not reflexive and the fourth was. - Jennifer9641, Oct 16, 2017

@jtaniel how far off are my answers? What are the correct ones?? - Jennifer9641, Oct 17, 2017