Please help with these if you know spanish! Explain!!

Select the word from the list that best fits the definition de pequeña siembre las mismas canciones.

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

I'm stuck between soy, or estoy. which one is it?