So excited was the winner that he couldn’t say anyword to his feelings.

Lawrence Craven, a doctor from the USA，is the author of several published reports, one of______ introduced the idea in 1953 ______aspirin could reduce the risk of heart attacks

g the news, she burst into_____ and burst _____ the room

owd cheered wildly at the sight ofLiu Xiang,who was reported _______ the world record in the 110-meter hurdlerace.

The time _________ I first spend with Nelson Mandela was a very difficult period of my life.