As the ( )figure in the play,she likes to take ( )stage.(centre,central)

问题描述:

As the ( )figure in the play,she likes to take ( )stage.(centre,central)
为什么第一空填central,第二空填centre?

central figure :中心人物,主角.形容词修饰名词.
centre stage
*舞台.算是个固定的用法了.