Eight children were killed and five were wounded the second knife attack that happened in Fujian Province on March 23,2010.
Over the past decades, sea ice _____ in the Arctic as a result of global warming.
The medicine works more effectively ______ you drink some hot water after taking it.
There is a great deal of evidencethat music activities engage different parts of the brain.
The system has been designed to give students quick and easy ______ to the digital resources of the library.
The incomes of skilled workers went up., unskilled workers saw their earnings fall.