When______ to danger and conflict, men tend to increase blood pressure, ______nervous or anxious.
The plane ______ at 7:00 pm, so I have to be at the airport by 6:40 at the latest.
The article suggests that when a person ____________ under unusual stress he should be especially careful to have a well-balanced diet.
—How are things going? —The disabled ________ no relatives in Guangzhou ________ by the volunteers, who will graduate from Zhongshan University next year.
He traveled to many mountain villages and saw many poor children out of school. This experience ___________ his life.
I should very much like to have gone to the party but I _________.