Answer:
2. Children who are wise win the course.
3. If they pay me, I will buy the apartment:
Explanation:
The answer is C. Tú ESTÁS muy nervioso hoy
I belive the answer would be,
A. Poner la mesa
Which means, "set the table".
The rest of the answer choices do not make sense.
"Fregar los platos," means, "wash the dishes".
"Invitar a los amigos," means, "invite friends".
"Caminar con el perro," means, "walk with the dog".
Hope this helps! Have a good day/night! c: