题目内容：

it was about 500 years ago _____ the dream came true
是强调句型没错
“It is 8 o'clock when.
" It is at 8 o'clock that"
有什么关系么

优质解答

it is 8 o'clock when.不是强调句
强调句的句型是it be ...that
还有去掉it be...that ,句子还成立
我是coldinkaren希望可以帮到你,有不懂的还可以问我^^

追问：

也就是it was about 500 years ago _____ the dream came true 把it be... that 去掉，句子还成立？

追答：

是的 变成了 about the 500years ago, the dream came true. 是成立的