____________, the new machine is now in large production.
| A．With the solved problem |
| B．With the problem solved |
| C．With the problem solving |
| D．With the problem to solve |
________ that they can’t be shown in the maps.
| A．So small those ponds and streams are. |
| B．So small are those ponds and streams. |
| C．So those ponds and streams are small. |
| D．So are those ponds and streams small. |
When________, the museum will be open to the pulic next year.
| A． to be completed. | B．completing |
| C．being completed | D．completed |
I don’t want to walk any further. My legs________.
| A．give out. | B．use up. |
| C．wear out. | D．give up |
All flights______ because of the air traffic control, the passengers had to wait in the hall.
| A．were put off | B．having put off |
| C．having been put off | D．have been put off |
I ________ in Nanjing for many years, but I’ve never regretted my final decision to move back to Huai’an.
| A．worked | B．was working | C．have worked | D．had worked |