1. WE have been studying medicine for years now. ? 2. I have been doing MY HOMEWORK for five hours! ? 3. The teenagers have been watching TV for the whole night. ? 4. I have been learning FIVE languages. ? 5. Jack has been sleeping IN HIS BEDROOM. ? 6. I have been learning to play the piano BECAUSE I LIKE MUSIC. ? 7. Recently they HAVE BEEN LISTENING TO THE RADIO MORE AND MORE. ? 8. I have been looking for THE RIGHT WEDDING DRESS but I still haven’t found it. ? 9. THE CHILD has been crying for an hour. Poor kid. ? 10. She has been listening to this CD for five hours BECAUSE SHE LOVES THE SINGER. ?