Ineed this question answered right now

Which leadership function is being employed in the following situation

After swimming for hours he was tired what is the personal pronoun in the sentence below

Ireally, really need with this asap. i don't understand spanish prepositions and when they should be used. the questions are:fiesta con juan el fin de semana pasado. el parque está casa. es una lástima que haya tantos lago. el jefe quiere inmediatamente. the answers can be one of the following: en, con, de, a i will award !