This document contains a vocabulary list, grammar explanations, and exercises for a Grade 2 English unit about the zoo. The vocabulary includes zoo-related nouns like zookeeper, monkey, bear, and cage. Grammar topics covered are comparative adjectives (regular and irregular forms) and question words like "which". Exercises practice using vocabulary words, forming comparatives, answering questions, and writing number sequences. The document provides content and exercises to help students learn about animals and grammar.