She couldn' t find her son_ she had dropped him off．
| A．when | B．until |
| C．although | D．where |
At five she was _____ by her mother, who was a famous dancer when young, to go into training.
| A．led | B．enjoyed | C．imagined | D．forced |
He often stands against the fence and talks endlessly with my father _____ gardening problems.
| A．to | B．too | C．about | D．off |
He turned off the head lamp of the car to keep the light from flashing in through the window of Jack's house and _____ Jack up.
| A．woke | B．waking | C．wake | D．to wake |
The writer and professor, whom I often refer to at the meetings, ____ famous for those works.
| A．is | B．are | C．am | D．were |
She spent as much time as she could _____ over her lessons.
| A．go | B．to go | C．going | D．went |