Wang Hao and Chu Yafei led China to ________ gold and silver finish in ________ 20kilometer walk,the first athletic event at the Asian Games.
He tried to cope with the ever-increasing burden of his work, but finally he _____ and had to take a complete rest.
The police tried to get some clues from the suspect, but he remained ______.
The engine of the ship was out of order and the bad weather _____ the helplessness of the crew at sea.
The electric library made it impossible for teachers to have ______ to a large amount of information online.
Some kinds of birds in winter fly to the south to ______ the cold in the north.