Turn the following sentences into Yes / No questions. 1. He is listening to the radio in the living room. 2. Judy began her course in May. 3. Elizabeth is sweeping the floor. 4. You can pay by credit card. 5. He speaks French very well. 6. The children are listening to their teacher. 7. They were excited after the Tulip Festival. 8. They will arrive by plane. 9. The pupils are talking about their next presentation. 10. We usually prepare special food for Tet.