I: Change the following sentences into Yes/No questions. 1. He is a farmer. 2. They use simple farming techniques. 3. I will read a documentary about ethnic groups of Viet Nam. 4. Nga plays the piano very well. 5. Women play an important role in a Jarai family. 6. She should do exercises regularly. 7. My father cooked noodles for me last night. 8. You may go out with your friends tonight.
