can someone fill in the blanks with spanish words that fit correctly

Answer:
16. wifi
17. una profesora
18. números
19. ?
20. la silla
Explanation:
16. wifi is wifi in spanish
17. basically asking for the female version of what is written for senor perez
18. its saying six and seven are ____ (numbers)
19. I dont understand sorry <3
20. chair in spanish is la silla