1.Jack left the job after ten years because he was beginning to feel (被困住).
2.The document was discovered (掩埋)in the university archives(档案)by part-time history student Lis Smith, who is completing her PhD at St Andrews Institute of Scottish Historical Research.
3.Hospital staff (爆发)into cheers after doctors completed a 20-hour operation to have separated one-year-old twins at the head.
4.The public was (震惊) by an incident in which a man lifted a baby girl and threw her to the ground.
5.Now, electric shock training and medical treatment are helping to (营救)these big birds.
6.Apparently satisfied that we caused no further threat, the bear moved off, (破坏)a fence completely as it went.