they have never watched such a wonderful play before .never划线部分提问

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they have never watched such a wonderful play before .never划线部分提问
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they have never watched such a wonderful play before .never划线部分提问
they have never watched such a wonderful play before .never划线部分提问

they have never watched such a wonderful play before .never划线部分提问
Have they watched such a wonderful play before?

Have they watched such a wonderful play before ?绝对的标准答案

1.never 频率副词,对其提问,应该用How often 。How often have they watched such a wonderful play before.
2.这句话变成一般疑问句为Have they never watched such a wonderful play before ?
3.Do they have ever watched such ...

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1.never 频率副词,对其提问,应该用How often 。How often have they watched such a wonderful play before.
2.这句话变成一般疑问句为Have they never watched such a wonderful play before ?
3.Do they have ever watched such a wonderful play before? 是错误的。have done 中have 本身就是助动词,不需要再借助do。

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