27. Great changes _______in our city in the past twenty years.
| A．have been taken place | B．have taken place |
| C．took place | D．were taken place |
It sounds like something is wrong with the car’s engine.________，we’d better take it to the garage immediately. (2011·江苏，33)
| A．Otherwise | B．If not |
| C．But for that | D．If so |
This is not my story，nor ________ the whole story.My story plays out differently.
(2012·四川，5)
| A．is there | B．there is |
| C．is it | D．it is |
—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 |