Cómp es Manolo means As is (Manolo = the name of something)
And Quien es de Cuba means who is Cuba but a better translation in english whould be who is from Cuba or something along those lines.
3 and 4 Bc “como el mundo” doesn’t go there is “tu eres el mejor cocinero del mundo?” And “Juan no es tan inteligente como yo”
B
"Me" digo la verdad = I tell the truth to myself
This is grammatically incorrect to say in Spanish.
"Le" digo la verdad = I tell the truth to her/him/you (f.)
'Vosotros' does not refer to any of these pronouns.
"Nos" digo la verdad = I tell the truth to us
This is grammatically incorrect to say in Spanish.