【题目】Remember that there is still one point ______ we must make clear at the conference tomorrow.
A．where B．why C．when D．that
在线课程【答案】D
【解析】分析句子可知，one point为先行词，we must make clear at the conference tomorrow是定语从句，空格处引导定语从句并作从句动词make的宾语，应选用关系代词或者省略，故选D项