Answer: boxeo.
Because the article "el" implies tha the noun is male and singular.
Question 21: Lentamente
Question 22: Rapidamente
Question 23: Facilmente
Question 24: I am not sure it is either Nervioso or Nerviosamente
Question 25: Demasiado
Hope this is correct
Answer:
Yo estoy hablando con mis amigos.
Explanation:
