请问这个表语从句应该选哪个,为什么?______ surprised me most was that such a little boy of seven cocould play the piano very well.刚才没打完整。

问题描述:

请问这个表语从句应该选哪个,为什么?______ surprised me most was that such a little boy of seven co
could play the piano very well.刚才没打完整。