giúp mình với ạ ----- Nội dung dịch tự động từ ảnh ----- Exercise 4: Combine the pairs of sentences, using relative clauses. 1. I lent him a book. It was written by Daniel Defoe. > The book . 2. A nutritionist is an expert. A nutritionist studies the relationship between foods and health. >A nutritionist is 3. My friend has decided to buy a motorbike. His bicycle was stolen last week. > My friend 4. "Who Wants to be a Millionaire?" is a TV show. It is very popular. 5. Yoga is a type of exercise. Many people enjoy yoga.