请问It was not until the 1990s,when Mr.Wang was already in his forties,_It was not until the 1990s,when Mr.Wang was already in his forties,___he began to teach himself English.A before B when C since D that

请问是it was not until 1990s还是It was not until the 1990s It was not long until ... 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 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? 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 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 It was ___ back home after the experiment.A．not until midnight did he goB．until midnight that he didn’t goC．not until midnight that he wentD．until midnight when he didn’t go我选C ,我们老师说选A,请问为什么 It was( )back home after the experiment.A.not until midnight did he go B.until midnight that that he didn't go C.not until midnight that he wentD.until midnight when he didn't go（理由说明） 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. 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? it was not until yeasterday to have we knew it.为何until不能换为till? It was not until .that.是句型,有没有It was not until.when.的形式,举个例句 It was not until the late sixteen hundreds that women began to perform professionally as dancers.it was not until