It was _____I met him in Beijing.
| A．two years since | B．two years ago that |
| C．for two years since | D．since two years ago |
—Was it by cutting down staff ________ she saved the firm?
—No，it was by improving work efficiency. (2012·上海，37)
| A．when | B．what |
| C．how | D．that |
Never before________seen anybody who can play tennis as well as Robert.(2012·江西，32)
| A．had she | B．she had |
| C．has she | D．she has |
All the scientific evidence ________ that increasing use of chemicals in farming ________ damaging our health. (2012·湖南，35)
| A．show；are | B．shows；are |
| C．show；is | D．shows；is |
It was not until I came here ________I realized this place was famous for not only its beauty but also its weather. (2012·湖南，30)
| A．who | B．that |
| C．where | D．before |
All the photographs in this book，________ stated otherwise，date from the 1950s.
(2012·陕西，25)
| A．unless | B．until |
| C．once | D．if |