为下列句子选出合适的答语。 (_____) 1. Who is he? (_____) 2. Do you like PE? (_____) 3. Who is your Music teacher? (_____) 4. Who are they? A. Yes, I do. B. They are our teachers. C. He is Mr Yu. D. Ms Zhao is my Music teacher. A. Yes, I do. B. They are our teachers. C. He is Mr Yu. D. Ms Zhao is my Music teacher.