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TheyhavebeentoBeijingtwice(twice有下划线)否定句:一般疑问句:回答:划线部分提问;

题目详情
They have been to Beijing twice(twice有下划线) 否定句:一般疑问句:回答:划线部分提问;
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答案和解析
否定句:They haven't been to Beijing twice
一般疑问句:Have they been to Beijing twice?
肯定回答:Yes,they have .
否定回答:No ,they haven't.
划线部分提问; How many times have they been to Beijing