. ___________ for several weeks, the city needed food.
| A．As having flooded | B．being flooded | C．Having been flooded | D．To flood |
The report aims to explain how these conclusions ______.
| A．were reached |
| B．had been reached |
| C．have reached |
| D．had reached |
This is not my story, nor ______ the whole story. My story plays out differently.
| A．is there | B．there is |
| C．is it | D．it is |
Grandpa was shocked by the news. Rarely ______ him so quiet.
| A．do I see | B．had I seen |
| C．I had seen | D．I saw |
It suddenly occurred to him he had left his keys in the office.
| A．whether | B．where | C．which | D．that |
It’s been discovered in the study ______ people are more relieved after forgiving others.
| A．that | B．what | C．which | D．whose |