(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.
No sooner ____ they rushed out into the street.
So carelessly _____ that he almost killed himself.
—— You ought to have given them some advice ---- _____, but who cared what I asked?
—— I cannot see the picture well from here. ---- _____.
____, he never seems able to do the work beautifully.