Content: Series 1: 1.1 Listening comprehension: How smart are animals? 1.2 Writing tasks 1.3 Reading comprehension: How smart are humans? 1.4 Grammar 1.5 Additional text: Evolution from a spiritual perspective. Series 2: 2.1 Listening comprehension: Violence among humans 2.2 Writing tasks 2.3 Reading comprehension: Dialogue among humans 2.4 Grammar. Series 3: 3.1 Listening comprehension: The world as a guest among friends 3.2 Writing tasks 3.3 Reading comprehension: A friend in the world 3.4 Grammar. Series 4: 4.1 Listening comprehension: Humanity and diversity 4.2 Writing tasks 4.3 Reading comprehension: The necessary evolution of human behavior 4.4 Grammar. Series 5: 5.1 Listening comprehension: The boss 5.2 Writing tasks 5.3 Reading comprehension: The future of man 5.4 Grammar. Series 6: 6.1 Listening comprehension: What is love? 6.2 Writing tasks 6.3 Reading comprehension: Love: the essence and goal of all life.