请就这道题给我讲一下独立主格结构.It__ a hot day,I decided to go for a swim.此处为何不能填is?

分类: 作业答案 • 2022-01-26 13:31:37

问题描述：

请就这道题给我讲一下独立主格结构.It__ a hot day,I decided to go for a swim.此处为何不能填is?
而只能用being?

答

填is,前后为两个独立的句子,两独立的句子,前后必须有连词连接,而本句无连词.