Why did Russia leave the world war one?

Why did Russia leave the world war one? Why did you leave Why did you leave me 翻译Soledad,why did you leave me Why did you leave without _____ the door?(lock) why did jenny want to leave the wedding reception? why did you leave me?用do 还是did..1.why did /do you leave me?用do 还是did..谢 一首歌 歌词有where did you go；why did you have to leave me; 为什么没有Russia Watch,India Watch,.Why? a,did,the,in,why,Reads,leave,hurry?组成一个问句,并且翻译一下, Why did you leave me.In my heart you were the only a,did,the,in,why,Reads,leave,hurry?组成一个问句,并且翻译一下, 英语翻译如题why did you leave so many things to make me remeber you everywhere why did you leave the guests standing there能不能用do My world follow me!Why did you leave me?Letting Go of Yesterday是什么意思 We did not know why they ------leave A had B had to C must Dmight We did not know why they ------leave A had B had to C must Dmight I couldn't understand（ ） the baby alone.A.why she left B.why did she leave C.why had she left D.why she had left