Fill in the blank with the correct preterite tense conjugation of the verb between parentheses.

ayer yo (prometer) llevar a mi sobrino al cine.

when the outside temperature is too cold, an endothermic animal can generate heat by shivering. endothermic animals must eat much more often than ectothermic animals since it takes energy to maintain a constant body temperature.

de estos colores. sounds about right.