当一个动词带有两个或两个以上宾语从句时,此时第一个that可省略,第二个that不可省略的句子.
问题描述：
当一个动词带有两个或两个以上宾语从句时,此时第一个that可省略,第二个that不可省略的句子.
答
They said the meeting was very important, and that we mustn't be late.