Задать 5 видов вопросов к предложениям: 1) they were eating cake 2) he is talking 3) he has written aletter

1) They were eating a cake.Were they eating a cake? Were they eating a cake or a hamburger? They were eating a cake, weren't they? What were we eating? Who was eating a cake? 2) He is talking.Is he talking? Is he talking or reading? He is talking, isn't he? What is he doing? Who is talking? 3) He has written a letter.Has he written a letter? Has he written a letter or a story? He has written a letter, hasn't he? What has he done? Who has written a letter?