Question

una oracion con :
find out
go out
check out

Answer 1

check out the new Pokemon Go app!.
find out how to use your Mac and OS X Leopard. 
emma didn't know that Tom was going out with my sister.

Answer 2

I check out my homework with my friend.
I go out with my best friend to walk by the park.
I find out that Jhon was telling me a lie. 

espero que te ayude :) ☺