题目内容
Leonardo da Vinci (1452-1519) ____ birds kept in cages in order to have the pleasure of setting them free.
| A．is said to be buying | B．is said to have bought |
| C．had said to buy | D．has sad to have bought |
B
解析考察句型结构，be said to do/to have done结构，意为据说，have done表示动作已经发生，因为达芬奇买笼子里的鸟发生在过去，动作已经发生，所以选择好B。
The new technology, if to rice growing, will help increase the grain output．
| A．applying | B．applied | C．to apply | D．having applied |
Having been born on the earth, we had no choice but ________ hospitality it offered.
| A．to accept that | B．accept how | C．to accept what | D．accept what |
_ properly, a car can be used for many years.
| A．Maintained | B．Maintaining |
| C．To be maintained | D．To maintain |
—Is there any news about my promotion?
—I regret _______ you that we’ve chosen someone else for the job.
| A．telling | B．to have told |
| C．to tell | D．to be telling |
The boy seated himself in the corner with his back to his father.
| A．turning | B．to turn | C．to be turned | D．turned |
It's no good ________ here this morning. Come again on Monday.
| A．wait | B．waiting |
| C．having waited | D．to be waiting |
(2013·青岛一模)All flights ________ owing to the heavy fog, many passengers could do nothing but take trains.
| A．to be cancelled | B．were cancelled |
| C．have been cancelled | D．having been cancelled |
(2013·湖南高考)________ warm at night, I would fill the woodstove, then set my alarm clock for midnight so I could refill it.
| A．Staying | B．Stayed |
| C．To stay | D．Stay |