I think that he is good.和I think he is good.有什么区别

问题描述:

I think that he is good.和I think he is good.有什么区别
前者有that,后者无that

两句话一样,没什么区别
that是宾语从句的标志,在口语中可以省略,
还可以看作为I think that he is good.是标准式宾语从句,I think he is good.是口语