Your world would be much easier if I didn't come back

Your world would be much easier if I didn't come back your world would be much easier if I didn't come back. Your world would be much easier if I didn't come bac why in the world that would be? My world will change?What in the end,your mind,why would this be the end?Tang Shuangshuang!中文是什么? Maybe leave your world,you will be Be the only one in your world. Be the only one in your world. Would you like me to be your I would like( )(be)your good friends. I would like to be your bride i would be your girl是哪首歌的 I would like to be in your What a lonely world it would be with you away! If there___no sunlight in the world,we___in darknessA should be;would have livedB could be;would liveC could be;would have livedD should be;would live i would like to be your penfriend,为什么用be I can be your boyfriend that would be it would be my pleasure to be your partner.