问题描述：
He found the English -Chinese dictionary was very useful
为什么found后面用that 而不用it ,that it引导的句子有什么区别?
He found that English -Chinese dictionary was very useful.
为什么found后面用that 而不用it ,that it引导的句子有什么区别？
为什么found后面用that 而不用it ,that it引导的句子有什么区别?
He found that English -Chinese dictionary was very useful.
为什么found后面用that 而不用it ,that it引导的句子有什么区别？
问题解答：
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