问题描述：
初中英语试题
有个句子you may want to know how\why the Chinese people were able to build it in the ancient days.是用why还是how?求解释和原因.
有个句子you may want to know how\why the Chinese people were able to build it in the ancient days.是用why还是how?求解释和原因.
问题解答：
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