i went to trip a year ago in i met a flamingo the first time but i just had a weird fact that Flamingos bend their legs at the ankle, not the knee

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 !