To our joy,the operation is ____success and the patient is now out of____danger.
| A．a,the | B．a,/ | C．/,the | D．/,/ |
When hethe door, he found his keys were nowhere.
| A．would open | B．opened | C．had opened | D．was to open |
In April, 2009, President Hu inspected the warships in Qingdao, the 60th anniversary of the founding of the PLA Navy.
| A．marking | B．marked | C．having marked | D．being marked |
not to miss the flight at 15:20, the manager set out for the airport in a hurry.
| A．Reminding | B．Reminded | C．To remind | D．Having reminded |
____ twice, the postman refused to deliver our letters unless we changed our dog.
| A．Being bitten | B．Bitten |
| C．Having bitten | D．To be bitten |
All of them try to use the power of the workstation ___ information in a more effective way.
| A．presenting |
| B．presented |
| C．being presented |
| D．to present |