题目内容
20．Alice has never tasted such perfect apple pie before．（改为反意疑问句）Alice has never tasted such perfect apple pie before，has she？
分析 翻译：爱丽丝从来没有尝过这样完美的苹果派．
爱丽丝从来没有尝过这样完美的苹果派，是吗？
解答 答案：has she．因为never表否定，即陈述部分是否定的，则反问部分用肯定形式，由于是第三人称单数，所以用has she．故答案为：has she．
点评 反意疑问句基本规则比较简单，即①．如陈述部分是肯定的，则反问部分用否定形式；如陈述部分是否定的，则反问部分用肯定形式．②．反问部分在时态、人称及其他方面必须和陈述部分保持一致．
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