7、Every possible means ______ to prevent the air pollution, but the sky is still not clear.
The money collected should be made good use _______ the people in South Asia who suffered a lot in the killer earthquake and tsunami(海啸).
The police found that the house _______ and a lot of things _______.
To their great fear, they found _______ in the heaviest snowfall they had ever had.
—Why did Sam weep? —He couldn’t stand _______ like that before the whole class.
—Have you _______ any information? —No, I’m going to _______ the business department.