题目内容
用正确的关系代词将两句合并成一句。
It is a very amazing story．I have never heard it before．(that)
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答案：It is a very amazing story that I have never heard before．
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科学实验活动册系列答案题目内容
用正确的关系代词将两句合并成一句。
It is a very amazing story．I have never heard it before．(that)
________________
科学实验活动册系列答案