it was not until i had read your letter that i know the truth这是什么_英语解答

it was not until i had read your letter that i know the truth这是什么状语从句?为什么?

人气：165 ℃　时间：2020-02-04 23:19:11

解答

这是强调句
it is that 典型的强调句结构
强调的是直到我读了你的信