It was not until man had learned how to make iron and steel that the construction of various...It was not until man had learned how to make iron and steel that the construction of various machines________possible.A.were madeB.madeC.had madeD.was made

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 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 请问是it was not until 1990s还是It was not until the 1990s [-B32] It was not until the early years of the 19th century that _______ what heat was.A.man knew B.did man knew C.didn't man know D.did man know 翻译并分析 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 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 __the 18th century ...__the 18th century did man realize that the whole of the brain was involved in the workings of the minda.Not until b.It was not until c.Until Dit was until老实说瞬间动词用否定这是什么意思? The bottle was not found until one day a man called Bill picked it up on a beach.翻译这一句话 It was not until man had learned how to make iron and steel that the construction of various...It was not until man had learned how to make iron and steel that the construction of various machines________possible.A.were madeB.madeC.had madeD.was made not until ____ she wondered if she had made a mistake.a.Not until long afterwards thatb.Not long until afterwardsc.It was not until long afterwards thatd.It was long afterwards until 如何理解it was not until midnight when it was raining中when引导什么从句