_______ a dark night, they took the sick boy to the hospital. And after an hour’s curing, the boy was out of danger very soon.
More than 10,000 relics, ____ between 5,000 to 3,000 BC, ____ at Sanxingdui since it was first discovered.
The youth after 80’s are believed to be selfish and irresponsible, so experts suggest young parents should ____ their children to care about others.
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.
His grandpa was so poor at that time that he had to get up at dawn every day and walk to the factory in distance.
—What do you think of the speech given by the CEO from Hongkong?—Excellent, I have never heard one before.