In such a remote village, no sound and no voice ______ (hear) at night. 2. The Wright brothers had become the first men to fly in an airplane ______ (power) by an engine. 3. The girl kept her eyes closed because she didn ’ t want to see the boy ______ (beat) by the nobleman. 4. I can ’ t go on with my work with the radio ______ (work) on because it often attracts my attention. 5. It seems very difficult to stop the child ______ (cry). 6. John ’ s parents could on no account imagine John ______ (succeed) in interviews. 7. The number of people invited ______ (be) fifty, but a number of them ______ (be) absent for different reasons. 8. The naughty boy was made ______ (clean) the classroom all by himself. 9. His whole mind was concentrated on the computer game that he didn ’ t hear the telephone ______ (ring). 10. She didn ’ t mind ______ (give) all her spare time to ______ (help) the sick old woman.