He made a mistake, but then he corrected the situation _______ it got worse.
The government plans to bring in new laws parents to take more responsibility for the education of their children.
The retired man donated most of his savings to the school damaged by the earthquake in Yushu, the students to return to their classrooms.
He had a wonderful childhood, with his mother to all corners of the world.
many times, he finally understood it.
They use computers to keep the traffic smoothly.