【题目】The former Olympic champion was in the quarterfinal that night when he lost 0-2 at home.
A. knocked off
B. knocked out
C. knocked down
D. knocked over
在线课程【答案】B
【解析】句意为:那天晚上前奥运会冠军在国内举行的四分之一决赛中以0比2被淘汰。knock off停止,降低;knock out击败,淘汰;knock down撞倒;knock over碰翻,打翻。