Translate into english ok?
Me lo puedes repetir , porfavor
This means can you repeat it again please, on spanish!
Carlos se arregla para salir a comer, because "se" refers back to Carlos (reflexive).
Hope this helps.
Answer:
16. saber 17. conocer 18. saber 19. saber 20. conocer
Explanation:
put saben instead of saber