Surf the web: Navegar en la Red
1:red hair girl/student
2:big man/teacher
3:red hair guys/friends
4:young woman/teacher
5:tall lady/woman
6:athletic guy/student
7:disorganized guy/person
8:simpatic guys/friends
Te gustan is the correct answer because 'ti' refers to 'you (singular)', in this case it changes to 'te' because of the way the verb 'gustar' works