Depends where you are or who you are directing it to.. If is just something you are telling a person of no importance or someone you don't want to impress then that would be just perfect if not (Despasito) is right... it should be Verdad, que Juan es alto?.. Btw Juan is a name so it should have a capital J
Hope this helps
Pico Duarte es la montaña más alta en todo el Caribe.Thats the answer
