"I hope that I were a bird"中的that是什么意思?

"I hope that I were a bird"中的that是什么意思? I hope that word if i were a bird I hope that you will a nice I hope that you still a single I____that I were a bird.A.wish B.hope C.want D.expect I ___ I were a bird. O that I were a boy I hope that everyone will have a good time.同义句I hope that ev I hope that I can get a good mark. I hope that is your i hope that+什么格?