1. Conocen
2. Sabemos ( I think the sentence is a bit wrong itself bc it should be Ellos (they) instead of nosotros (we) but thats maybe a book or question error)
3.sirven
4.pides
Buena suerte! Good Luck!
The final sentence would be something like - Yo soy un americana muchaca y soy bonita
The answer is 2 I think don’t listen to me I’m most likely wrong but hey I’m here to help :)
The answer for completing the sentence is: ve