The big fire in Shanghai, believed to ________ due to the burning of construction materials, caused 58 deaths and destroyed all the belongings of the people there.
| A．have occurred | B．occur |
| C．have been occurring | D．be occurring |
As each man I contacted recounted painful details, I felt as though I were talking with my father. Not only were they similar in appearance, but _____ the same things.
| A．had they experienced | B．they have experienced |
| C．they had experienced | D．had experienced they |
With that information ____, I sought out Douglas Smith, director of the Center for Brain Injury and Repair at the University of Pennsylvania.
| A．in hand | B．in the hand | C．in hands | D．in the hands |
I was making copies at work, and someone came into the room while talking on his cell phone. Should I have left _____ him privacy?
| A．give | B．to give | C．to show | D．showing |
The best way to get a serious point ____ without causing offense is ____ humour.
| A．across; with | B．out; within | C．across; in | D．down; by |
Our patients _____ faster recoveries and greater pain relief than patients undergoing open neck and back surgery. And they’re up and _____ around within a few hours of surgery.
| A．figure; walk | B．average; walking |
| C．calculate; walked | D．make; walking |