<span>the question like this is called assumptions, but the assumptions have to be proved by experiments and prove to be the best, but generally in science, theories might change from time to time, so in science, it is necessary to prove the hypothesis, not just by putting up the theories.
hope this helps </span>
1- Yo
2-Yo soy or just Soy
3-tu if informal and usted if formal
4-tu eres if informal and Usted es if formal.
5- El
20) viajaré
21)tendrás
22)estrellas
23)saldré
24)dirás
25)de moda
26)lejos de la persona
27)esta camisa es azul .auqella es verde
28)nuestra
29)mi , su
33 librería
34mirar su programa favorito en la televisión
35comore estos pantalones
I hope this help !
I'm pretty sure it means "I need the ring binder"
Opciones por favor............¿