they told me ①that ②that ③that ④taht ⑤that she wrote was wrong.
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they told me ①that .引导宾语从句,可省略
they told me ②that ③that ②那个③指“that”这个单词
④taht：他写的那个,及写错的那个（引用,
⑤that she wrote was wrong.引导定语从句,作wrote 的宾语