英语：we are certain the earth is the only one on which life can survive . certain 后面是不是省略了个that 呢?形容词

题目

英语：we are certain the earth is the only one on which life can survive . certain 后面是不是省略了个that 呢?形容词后加that 那引导的又是什么从句呢?

答案

是的,certain后面省略了that,这里是因为that引导的是宾语从句,所以that可以省略掉
be certain with sth
be certain that.
后面的都是宾语