No one can tell how many sufferings the kidnapped boy ________ when he was rescued yesterday.
| A．had | B．has had | C．had had | D．would have |
Little _____ about her own safety, though she was in great danger herself.
| A．did Mary care | B．Mary did care |
| C．Mary does care | D．does Mary care |
—The old store enjoys a good reputation in this area.
—Can’t agree more. There are very few. _____, complains about their service.
| A．if any | B．if ever | C．if so | D．if anything |
The flu is believed ______ by viruses that like to reproduce in the cells inside the human nose and throat.
| A．to be caused | B．to have caused | C．being caused | D．causing |
Whether you believe it or not, it is ______that causes your illness.
| A．because of your overweight | B．you are so overweight |
| C．because you are overweight | D．your being overweight |
If only he _____ quietly as the doctor instructed, he would not suffer so much now.
| A．would lie | B．lay | C．had lain | D．should lie |