沈越，谢眺等人提出“（）”说，并形成了“（）”。
参考答案：四声八病；永明
--What do you think of it?
--I think it is a thing of importance that it ____ done soon.
A．is
B．is to be
C．be
D．to be
证三果的人为什么还没办法超越色界、无色界呢？
--What do you think of it?