52单词网 > 高中英语 > 高中英语题库 > 观察下面句子.试着归纳其画线部分所包含的句型结构. It was difficult to remember all the faces and names.

观察下面句子.试着归纳其画线部分所包含的句型结构. It was difficult to remember all the faces and names.

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观察下面句子.试着归纳其画线部分所包含的句型结构. It was difficult to remember all the faces and names.

观察下面句子,试着归纳其画线部分所包含的句型结构。

It was difficult to remember all the faces and names.

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试题答案

答案:

解析:

It+is/was+adj.+to do→it作形式主语