"de" .......................
Answer:
The sentence in general is correct.
Explanation:
If you would like to add a name in the blank, for example, Mi amigo Fernando es de Venezuela, then you could do that. But otherwise, it is perfect!
Answer:
Dear friend,
i go vacation to Mexico but i have so many problems. You will not believe! A thief robbed my passport and all my money so i didn't have money for food or transport. ¡How awful! Fortunately, my friend Juan helped me with the money and finally the police find the thief and my passport. ¡What a relief! Good bye.