The present financial crisis has greatly contributed to thousands of workers and many factories .
According to the information from the airline, a small sinking part of the runway of the airport is _______ for the accident.
Obviously the measures taken by the local government have_______ the solution to drinking water problems in this region.
--Do you know when the Chinese custom_________ from? --It's hard to say. But its characteristics__________ the Tang Period.
Paper bags produced every year are ______ the world’s production of vehicles.
His spare time is made full use_______ law.