Present tense verbs, can somebody me with this? which answers are wrong?

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

Hola, me llamo aniyah y hoy voy a la tienda y necesito recoger ensalada, leche, queso, mantequilla y pan. porque vamos a tener un banquete

Which word correctly completes this question? ¿ características tiene el teléfono celular? a. quién b. qué c. cómo d. por qué