I believe that this house is for sale.这句话中为什么要用that?

I believe that I would never forget this day I believe that this will not reproduce all the hypocrisy. I believe that our class____(win) this game. i believe that.中文? I believe that I want to believe I believe that this house is for sale.这句话中为什么要用that? If you believe that I believe是什么意思 i'm firmly believe that 还是i firmly believe that just believe that i love I believe that everything you I can h______ believe that. I'm sorry,but you have to believe that this is true.I don't intend to use this number, 英文翻译How can I believe that there is still pure love in this world? 请问英语语法 I believe that this house is for salethat可以省略掉吗,为什么, :How can I believe that there is still pure love in this world? I believe( that this is house is for sale ).对划线部分提问 I believe (that this is house is for sale)对括号部分提问 I believe, that this world is一见钟情love!谁知道是什么意思?该怎么回答?