Please help me with these two blanks!

Fui al centro comercial vi unos tenis i los compre que compre?

Complete the sentence with the correct form of the verb caerse in the preterite tense. yo caminando en el parque. use the following jumbled words to write a sentence, using the preterite form of verbs with the same conjugation as caerse. el gato / oir / ellos use the following jumbled words to write a sentence, using the preterite form of verbs with the same conjugation as caerse. oir / maria / no / el anuncio

Me correct this part of the quiz? (it’s due tomorrow)