Would you please tell us what ___on this subject?

来源：百度知道编辑：UC知道时间：2024/05/14 08:27:13

A.you will say B you will speak
请解释一下

选A. what you will say ,倒过来是you will say what
是宾语从句。on this subject是状语。say后加说的内容。speak后加语言，或to sb.

B,speak on 是固定搭配,

选A SPEAK ON没有这种说法
say something on a cetain topic

B：you will speak

speak on 是固定搭配，说下去的意思