16-astronauta
17-columpiarnos
18-echar carreras
19-jugar a las damas
20-la muñeca
1.está
2.están
3.estamos
4.esta
Hope this helps
Have a nice day
:)
I'm not exactly sure what you're asking, but I'll try.
The answer is "compro" because it's past tense. I should know, I speak both Spanish and English.
Most likely D since the noun árbol is masculine and you would use ese in that case.