When _____ to danger and conflict, men tend to increase blood pressure, _____ nervous and anxious.
They gave a(n)________broadcast while the performances were in process on the stage.
My father enjoys his spare time by reading newspapers or________to music.
__________ you work harder than before, you will pass this exam.
____ H1N1 flu from spreading, our government has taken some effective measures.
With the price _______ so quickly, I find 1,000 yuan a month can hardly cover the cost of living.