(2013-2014学年四川省绵阳市南山中学高一3月月考英语试卷) The lion is considered the king of the forest as it is a(n) ____of courage and power.
. Nobody believed his reason for being absent from the class ______ he had to meet his uncle at the airport.
People ran out __________ as fire tore through the building.
The key ____ English well is to read more when ____.
The people had to _______ the new rulers when they lost the war.
People have become aware ______the fact that carbon dioxide, poison to the environment, contributes_____ air pollution.