it was not until

not ...until it was not until Not until It was not long until ... it was not until和it was until it was not until和 it was until的区别 9.It was not until dark ________ ... It was not until问题l 关于 It was not until 的题 it was not until.did.和it was not until .that. it was not until when...与it was not until that...区别,强调句型用哪个. 请问是it was not until 1990s还是It was not until the 1990s it was not until dark__she found__she thought was the correc 23.it was not until it got dark ______ working