Relative pronouns exercise

1. The man was sick. He looked very pale. The man, who was sick, looked very pale. 2. He was sitting in the emergency room. It was very crowded. He was sitting in the emergency room, which was very crowded. 3. A nurse was nearby. He called to her. A nurse, whom he called to, was nearby. 4. The nurse called a doctor. He came quickly. The nurse called a doctor who came quickly. 5. The doctor asked him to lie down. She looked very worried. The doctor, who looked very worried, asked him to lie down. 6. She gave the man an injection. It made him go to sleep. She gave the man an injection which made him go to sleep.