A. rico , guapo because i speak spanish
B) to indicat a length of time, hope this helps
“ El muchacho” would be the best choice because it is asking a question and “mañana, dia, and hola” all have a past tense sort if deal to them.
You’re question is not a question and does not make sense. Maybe you could elaborate more if you want help?
Los pronombres de objeto directo en español son 8: Me, Te, lo, nos, la, los, las, os.