When ____ to danger and conflict, men tend to increase blood pressure, ____ nervous or anxious.
The general has been invested _____ full power.
The police have asked for witnesses of the accident to _____ to offer some help.
Her suggestion _____ to see Shanghai World Exposition interested every one of us.
Father made a promise _____ he would buy me a new dictionary if I passed the examination.
Today we’re going to _____ on the question of home-less people.