the squirrel was luckly that it just missed being caught 是什么从句

问题描述:

the squirrel was luckly that it just missed being caught 是什么从句

lucky 吧?应该是lucky
教科书上叫宾语从句,也有语法书上称之为原因从句的.
如果是下面这样的,that 就是引导结果从句的
the squirrel was so lucky that it just missed being caught