Scientists are convinced the positive effect of laughter physical and mental health.
| A．of; at | B．by; in | C．of; on | D．on; at |
—Are there any English story-books for us students in the library?
—There are only a few, _______________.
| A．if much | B．if some |
| C．if many | D．if any |
Recently we held a discussion about what we shall use for power when all the oil in the world has _________?
| A．given out | B．used up |
| C． run out of | D．put out |
The play next month aims mainly to reflect the local culture．
| A．produced | B．to be produced |
| C．being produced | D．having been produced |
—May I speak to your manager Mr.Williams at five o’clock tonight?
—I’m sorry. Mr. Williams ________ to a conference long before then.
| A．would have gone | B．had gone |
| C．will have gone | D．has gone |
Only one third of the people present at the meeting voted ______ the new law.
| A．in search of | B．in short of |
| C．in favor of | D．in case of |