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.
"Ven a mi fiesta" is written correctly
Answer:
Eduardo got sick and he was in pain. He didn't know what it was so he went to hospital to find out. He waited for the Doctor for some answers and when Doctor arrived, he said that he has food poisoning near his upper stomach. He started to get even more pain but the Doctor doesn't want to lose his patient. The Doctor did surgery on Eduardo. Many hours later, Eduardo woke up and felt like he had no pain no more. He gave thanks to the Doctor and didn't died. He went on in his life like nothing happened. The end(:
Explanation: