Too much pressure from study leads to sleeplessness, which _______ increases the risk of forgetfulness.
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.
Geldof intended the concert ________money for those suffering from the earthquake, which_______ 2000 lives.