Many people in China are ________ a “Hope Project”, helping poor children to get compulsory education.
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.
We must apply what we have learned to our daily work because in no case _____ from practice.