_____many times, they succeeded _________ the experiment.
| A．Having tried; in doing | B．Tried; in being done |
| C．Having tried; to do | D．Tried; doing |
She felt rather __________ that she should drive the car at such a __________ speed.
| A．frightening; frightening | B．frightened; frightened |
| C．frightening; frightened | D．frightened; frightening |
The book is on the top shelf, __________. Tom, fetch me a chair, won't you?
| A．out of sight | B．out of distance |
| C．out of reach | D．out of date |
一Did you make some coffee for her?
—No, I didn't. She __________ tea to coffee.
| A．preferred | B．hated |
| C．enjoyed | D．liked |
Richard looked at the envelope and __________ Jenny's handwriting immediately.
| A．recognized | B．found |
| C．realized | D．concerned |
—I haven't seen Tom for years. Any news about him?
—He __________ in a toy factory for two years. Now he is a farmer.
| A．worked | B．has worked |
| C．had worked | D．would work |