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It takes about two hours to fly from Shanghai to Beijing．(对划线部分进行提问)
________ ________ does it take to fly from Shanghai to Beijing?
答案：How long
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题目内容
按要求改写句子
It takes about two hours to fly from Shanghai to Beijing．(对划线部分进行提问)
________ ________ does it take to fly from Shanghai to Beijing?