i am sure(that)……that可以省略吗?

i am afraid that.中的that可以省略吗?为什么? I am sure that i am sure that…这是什么从句?sure不是宾语吗? this is the very book that i am looking for中that 可以省略吗 I am sure that i will never i am sure that i will succeed. I believe that.中的that可以省略吗 i think +that+句子 that可以省略吗? I am sure about that.这句话语法有误吗? I am sure that.的中文意思 I am not sure.that I am gay I am sure that I am qualified for it