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高一英语小问题(6)Do not get off the bus____it has fully stopped 用be

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高一英语小问题(6)
Do not get off the bus____it has fully stopped 用before还是until?为什么?
高一英语小问题(6)Do not get off the bus____it has fully stopped 用be
until not ...until 直到.才,固定用法. not until 的三种句型 1.一般式:not 与until分开,until放在句子的后面.例如:He did not go until midnight. (他直到午夜才走.) 2. 倒装式:not until 连在一起使用,且放在句首,整个句子要倒装.例如:Not until quite recently did I have any idea what a guided missile was like.(直到现在我才知道导弹是什么样子.) 3. 强调式:用于It is + not until +that ...的句型中.例如:It was not until the next day that I learned the truth.(到第二天我才听说事情的真相.)