For official answers or the exact text from your specific edition, you can check the Happy English.ru Teacher's Book, which provides the keys to all "Test Yourself" sections.

: Words like pollution, recycle, protect, environment .

: Exercises typically involve matching speakers to their opinions or filling in a table based on an audio clip. How to Prepare Your Paper

: You will likely find a text about a historical event or a modern social issue (e.g., environmental protection). The tasks usually require you to determine if statements are True, False, or Not Stated .

(A short response, such as "Write 5 sentences about your favorite media source using relative clauses").

This lesson is designed to test your knowledge of the previous unit's material, focusing on . 1. Grammar Focus: Relative Clauses