Hello!

The subject of this sentence is "Yo" (I), so we must use the first-person singular conjugation.
Thus, the correct conjugation ends with an "o", or "Pruebo". Choice A is the correct answer.
<h2>Cambia el verbo en negrita y escríbelo en el presente perfecto. Change the verb in bold and write it in the present perfect.</h2><h3><em>Mariana, ¿nunca viste (2 palabras) las ruinas de Machu Picchu?</em></h3>
Answer : Mariana, ¿nunca has visto las ruinas de Machu Picchu?
Translation : Mariana, have you ever seen the Machu Picchu ruins?
Hope this helps!

Answer:
1.The islands of Puerto Rico and Cuba have a great deal in common. As near-neighbors in the Greater Antilles island chain, both lie in the Caribbean between Florida and Venezuela. Both share Spanish origins, and both islands have played key roles in the history of the Americas.
2.Visit the Mayan Ruins in Mexico. Chichen Itza is a must-visit in the Yucatan.
Celebrate Hanal Pixan. Traditional Hanal Pixan offerings.
Swim in a cenote. Cenote San Lorenzo Oxman in the Yucatan.
Attend a Temazcal ceremony.
See the Voladores de Papantla.
Eat traditional Yucatecan foods.
Explanation:
There is a sympathetic guy named Ramon. Ramon is intelligent, artistic and good looking. He always likes helping his friends, whenever they have a problem they speak to Ramon. One day, a girl named Ana speaks to him and says. “Ramon help” she says. “I don’t speak Spanish and, I am going to receive an F in Mrs.Dora’s class.” Ramon doesn’t need to help Ana but he is very sympathetic and he wants to help her. Ramon says, “I’ll help you, Ana, we can study together. You’re going to be speaking Spanish very well.” In a few days, Ana received a B grade. It wasn’t an A but it is much better than an F. Ana is very happy.
A IS THE ANSWER NOT B I AM MEXICAN