Wren & Martin's Middle School English Grammar & Composition is designed to be used as a prequel to the highly popular English grammar reference book, High School English Grammar & Composition. Middle School English Grammar & Composition provides ample guidance and practice in sentence building, correct usage, comprehension, composition and other related areas so as to equip the learners with the ability to communicate effectively in English. The Key to Middle School English Grammar & Composition has been designed to provide the users with a reliable and practical tool in the form of correct answers to the exercises in the book.