请问是it was not until 1990s还是It was not until the 1990s

请问是it was not until 1990s还是It was not until the 1990s 您好,请问 it was not until是什么样的句型啊,后面可以加什么啊, It was not long until ... It was not until .that.是句型,有没有It was not until.when.的形式,举个例句 not ...until it was not until Not until句型转化 帮我写三组句子 30分 先送上not ...until it was not until Not until It was not until __arrived home that he remembered his appointment with the lawyer.A.he B.he had请问选什么我记得有个句型是It was not until sb did sth.that sb did sth. 是A还是C我搞不明白.　18.______ after his death that he was recognized as a great composer.　　A.It was not until B.It is until C.It was until D.Not until it was not until when...与it was not until that...区别,强调句型用哪个. it was not until.did.和it was not until .that.这两个有什么区别 ______many years later_______the whole truth become known.A It was,that B Not until,didC It was,before D Until,did答案是B 请问这种题目怎么看?那用A 强调句为什么不可以呢？ not until与not ...untill的区别it was not until midnight,lucy left.Lucy didn't leave until midnight.是一样的意思? 请问这句话的句子结构,not until his health was lost did he know what it was worth it was not until 和 it was until 的区别,请详细一点. 请问it was not until 加时间从句后面是只能加that when,while,in which ,before 什么的都不行? it is not until that 和it was not until that it was not until--------------that/when 的区别如题 It was not until midnight did he come back. It was not until the thirteenth stroke____ the bell stopped.A.beforeB.whenC.so thatD.that请问选那个?