Most of those are cognates...
1. ser= (he) es
2. ir= (we) vaís
3. jugar= (I) jugo
4. comer= (you) comes
5. esudiar= (you) esudias
ser= be; comer= to eat; jugar= to play; estar= to be; ir= to go; estudiar= to study
Answer:
1. gusta
2.gustan
Explanation:
la= her (most likely if the word ends with an a, its for "her")
I think it’s a acid base reaction where it’s basically a chemical reaction that occurs between an acid and and a base