－Water is the most precious resource in the world.
－So the government________every one of us to save water.
| A．appeals to |
| B．objects to |
| C．turns to |
| D．takes to |
He raised a suggestion at the meeting, ____ well worth considering.
| A．which I think is | B．which I think it is | C．I think is which | D．I think it is |
The experiment, _____ to test the theory, will be carried out tomorrow.
A. intendingB. intendedC. to intendD, having intended
Would you please speak ____ a loud voice? I didn’t catch what you said, with all the noise going on.
| A．in | B．on | C．of | D．to |
Only when I lost the opportunity to take my first job ____ how important it was to me.
A. I realized B. I had realized C, had 
I realized D . did I realize
_____ is known to us all is that to work hard to achieve a goal is more important than only to have a goal.
| A．What | B．As | C．it | D．This |