So excited were my classmates__________ the good result of the English speech competition!
| A．to know | B．known | C．to be known | D．having known |
When I met him the other day，it was the first time we __________ each other since we were at school.
| A．saw |
| B．had seen |
| C．were seeing |
| D．have seen |
By the time Jack returned home from England, his son __________ from college.
| A．graduated |
| B．has graduated |
| C．had been graduating |
| D．had graduated |
—Thank God you're safe ！
—I stepped back Just __________ to avoid the racing car.
| A．in time |
| B．in case |
| C．in need |
| D．in vain |
Dina,__________ for months to find a job as a waitress，finally took a position at a local advertising agency.
| A．struggling |
| B．struggled |
| C．having struggled |
| D．to struggle |
__________ in the queue for half an hour, the old man suddenly realized he had left the cheque in the car.
| A．Waiting |
| B．To wait |
| C．Having waited |
| D．To have waited |