I have heard that she will come这里的的that可以取消么?

I have heard that your book __(come) out tomorrow I think that she will come.中的that可以不要吗? i 've heard that india will have the________population in th have heard that love to come back 有she hopes that I will have her hair be cut after school的说法吗 I have no idea （that） when he will come back home那个位置可以有that i have no idea that he will come back. I heard that she taught _____English At least that`s what I heard him say one night.这里that`s的作用是什 Have you ever heard that I love you这句中的that可以去掉吗 I am sorry to hear that.与I am sorry to have heard that.的区别是什 I HEARD THAT SHE WAS LEAVING干吗加THAT?