Answer: Im not really sure if this is what you want but here it goes anyway
Explanation:
13. El chico canta la canción a la novia.
*El chico Canta una cancion a su novia*
14. La madre cocina la cena para los niños.
* La madre cocina la cena para sus hijos*
15. Decimos la verdad a los padres.
*Le decimos la verdad a los padres*
16. Lleva la chaqueta a su amigo.
*Le lleva la chaqueta a su amigo*
17. Yo leo las cuentas a tí.
* Yo leo tus cuentas*
I know some are wrong but I hope some do help you answer the questions right.
Answer: The right answer is the C) Olivia ha estudiado mucho para la clase.
Explanation: Just to elaborate a little on the answer, it can be added that the present perfect in Spanish, as it does in English, combines the present tense of the verb <em>haber</em> (to have) and the participle of another verb (eaten/comido, said/dicho, and so on). The participle of the verb <em>estudiar</em> is <em>estudiado</em>, so options A and C are incorrect. Option D translates as "she is going to study," and that is not the present perfect, but the future.
Answer:
estamos cantando
Nosotros <u>estamos cantando</u> el himno nacional.
Explanation: