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 System Planets Moon Moon Solar sun Sun ball world air gases water - The is a huge of . - The is a barren , rocky without and . - The consists of the , and .