( )1. A. At the factory. ( )2. A. They are studying. ( )3. A. Three weeks. ( )4. A. Once a day. ( )5. A. He's reading a book |
B. At the shop. B. They are having a meeting. B. Two weeks. B. Twice a day. B. He's talking with Father. |
C. At school. C. They are telephoning C. Two months. C. Three times a day. C. He's sleeping. |