(2009·湖北) As there is less and less coal and oil, scientists are exploring new ways of making use of __________ energy, such as sunlight, wind and water for power and fuel.
—Are you still working in that company, Mary? —No, it is ten months ____ I worked there.
around the lab, we were taken to see the library.
They will send kids to collegeit takes, even if that means a huge amount of debt.
Finding a job in such a big company has always beenhis wildest dreams.
—Hey, you haven't been acting like yourself. Everything is OK? —.