_____ I had done it I knew I had made a mistake.
| A．Hardly | B．Directly | C．Mostly | D．Nearly |
（年(春)重庆市高三考前冲刺测试卷）5. Traditionally __ as one of the safest planes, the Boeing 777's reputation has been damaged by the second crash in less than a year.
| A．to be regarded | B．regarded | C．having been regarded | D．regarding |
——How wise of you to come round，but why？
——______ that all is right.
| A．See | B．To see | C．Seeing | D．For seeing |
（年福州市高三适应性练习）30. In general, _______ energy, we turn off the lights for Earth Hour on the last Saturday in March.
| A．saved | B．saving | C．to save | D．having saved |
（年北京市西城区高三5月二模试题）24. Grandpa was shocked by the news. Rarely ______ him so quiet.
| A．do I see | B．had I seen | C．I had seen | D．I saw |
He_____ articles for our wall-newspaper these years, and he____ about thirty articles.
| A．has written; wrote | B．has been writing; wrote |
| C．is writing; has been writing | D．has been writing; has written |