The gap between rural and urban education in China is widening, and education is the key to _____ rural problems.
—Does the idea of working abroad ________ you? —Yes. But I have no chance.
What we all know is that new technology is being ________to almost every industrial process.
They will start their project,________at helping the poor children to be educated in the west of China.
Einstein’s Theory of Relativity is so ________that most of us can not understand it.
Anyone who is in ________of weapons without permission is considered lawbreaking.