( )1. A. There's much noise here. ( )2. A. His grandpa is at home alone. ( )3. A. The children feel better. ( )4. A. You should stand behind. ( )5. A. When will your train arrive?
B. Please be quiet. B. His grandpa lives in another house. B. The children are enjoying themselves. B. You should stand in line. B. When will your father leave?
C. Don't sing here, please. C. His grandpa needs help. C. The children are studying happily. C. You should get on at once. C. When will your father arrive?