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24. To my surprise,he have failed the driving test a third time,but he            . (ought)

令我惊讶的是,他第三次驾照考试居然又没过!但他本不该会是这样的,

24. oughtn't to have考查不定式的省略结构。当不定式部分的内容是上文已经出现的内容时,为避免重复,不定式一般式可仅保留不定式符号to;当不定式中的动词为be时,要保留tobe; 当不定式动词以其他时态体现时,只需省略表实际意义的动词及其后续部分,而保留其他:,空白处的完整说法是oughtn't to have failed the driving test a third time。

题目来源:高考丢分题英语 > 专题训练5:倒装和省略

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