We finished the run in less than half the time ____.
| A．allowing | B．to allow | C．allowed | D．allows |
At the root of volunteering is____ idea that one person may have____ ability to offer services that can help other people.
| A．the, the | B．不填; an | C．an ; 不填 | D．不填，the |
It is nice to do something for someone else out of the blue and not to expect anything ______.
| A．in relief | B．in return | C．in turn | D．in need |
The 12 million people in Mexico City woke up on September 19th, 1985, to find their city ________ after the terrible quake.
| A．in trouble | B．on purpose | C．out of work | D．in ruins |
You can take the rest of the pie with you. ________, I wish you would, since I’m on a diet.
| A．On the other hand | B．As a matter of fact |
| C．As a consequence | D．In addition to it |
I am sorry I can’t spare any paper for you, for, you see, I have _____ myself.
| A．none | B．no one | C．neither | D．nothing |