这道题是强调句还是定语从句?

题目

这道题是强调句还是定语从句?
例句：_Is_ was known to us all that Johnson had broken his promise _that_ he would give each of us a small gift.
框里面为什么不能填as；which?强调句不是去掉it's 和that 仍然构成完整句子的才叫强调句吗?这句话去了这两样就不是完整句子了呀.

答案

_It_ was known to us all that Johnson had broken his promise _that_ he would give each of us a small gift.这个句子里面既没有强调句,也没有定语从句.（注意：句子开头的单词不是Is,而是It.）分析如下：第一个...