Answer:
all right but for 9 it is Unos cursos son faciles y otros son difficiles.
Explanation:
10-son
11-hablan
12-tomamos
13-sacamos
14-sacamos
15-pregunta
16-sacas
17-sacas
18- contesto
19- estudio
20- saco
necesitaremos
A little translation to the last sentence
Before we go, we need to find all the documents that we will need to be able to fly to Chile.
what am so posed to dogttttgg