1. It作先行主语和先行宾语的一些句型 例句: She had said what it was necessary to say. 2. 强调句型 例句: It is not wh
1.It作先行主语和先行宾语的一些句型 Shehadsaidwhatitwasnecessarytosay. 2.强调句型 Itisnotwhorulesusth
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