it is not until ...that...用法
问题描述：
it is not until ...that...用法
答
本句型意为“直到.才."其中包含了强调句式it is .that从句.例如it was not until I finish my homework that I was admit to play computer games.直到我我完成我的作业我才被允许玩游戏.强调成分为not until 引导的...