In each of the following sentences there is a mistake. Find it and correct it. 1. My secretary said me that he was going

1. My secretary told me that he was going home. 2. The employer said we had done our work very badly. 3. He asked me where I was  going. 4. The professor asked me if I was listening to the lecture. 5. We had lunch and after that we went for a walk. 6. She wondered what had happened to him. 7. Could you lend me your pen? 8. Listen! Who is playing the piano? 9. Look at the blackboard! Where is the mistake? 10. London is one of the most beautiful cities in the world.