Completar Frases Sentence Stress: Content words (NOUNS)Versión en línea In this activity, you will find some sentences and should complete each with the corresponding noun (this is one of the categories of content words.) por Laura Duarte 1 ball System water air gases Planets Sun Moon Moon Solar sun world - The is a huge of . - The is a barren , rocky without and . - The consists of the , and .