This document contains a grammar exercise asking the student to fill in blanks with demonstrative pronouns like "this", "these", "that", or "those" to identify nearby or distant nouns referred to in each sentence. There are 18 sentences with blanks to be filled in with the appropriate demonstrative pronoun depending on whether the noun is near or far from the speaker. The student is meant to practice using demonstrative pronouns to distinguish nouns based on their proximity.