____ my sister three times today but her line was always busy.
| A．I’d phoned | B．I’ve been phoning | C．I’ve phoned | D．I was phoning |
At the age of 29, Dave was a worker, ______ in a small apartment near Boston and ______ what to do about his future．
| A．living; wondering | B．lived; wondering |
| C．lived; wondered | D．living; wondered |
When he ______ the 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 |
______ herself with other girls, she feels she is quite lucky．
| A．Comparing | B．Compared | C．To compare | D．Being compared |