__were___you able to play the violin when you were five?为什么这个用were呀.不用could 和would呀

问题描述:

__were___you able to play the violin when you were five?为什么这个用were呀.不用could 和would呀
有赏

因为be able to 是一个固定搭配,表示 能够,有能力..