It might have saved me some trouble ______ the schedule.
| A．did I know | B．have I known |
| C．do I know | D．had I known |
（年福州市高三适应性练习）24. Reputation is a treasure that, once _______, can never be won back.
| A．losing | B．being lost | C．lost | D．having lost |
that Marie was able to set up new branches elsewhere.
| A．So successful her business was | B．So successful was her business |
| C．So her business was successful | D．So was her successful business |
35. So mysteriously ______ missing that many puzzles wait to be solved.
| A．did Flight MH370 go | B．Flight MH370 went |
| C．does Flight MH370 go | D．had Flight MH370 gone |
30. , and you will realize your dream of being successful.
| A．Making great efforts | B．To make your efforts |
| C．A bit more effort | D．If you double your efforts |
—Who should be responsible for the accident?
—The boss, not the workers.They just carried out the order.
| A．as told | B．as are told | C．as telling | D．as they told |