关于定语从句句子结构问题remember that there is still one point

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remember that there is still one point__that__we must make clear at the conference tomorrow
空格里填的是 that 还是 that两边各有一个空?
前者：we must make clear 句子 缺宾语 而one point正好是那个宾语
所以用that连接 定语从句 one point 是先行词
one point__that__we must make clear 还原就是 we must make clear one point
例：I have to make clear one point here.
在这里另有一件必须要弄清的事.(百度)
make it clear 是因为it 只能放中间.
定语从句结构：先行词+关系代词或副词（that what 等等）+句子
在这个句子里面,make clear 是用来修饰point 的
there is still one point that we must make clear that...可以省略