I‘ll wait for you _____ you return

I‘ll wait for you _____ you return I'll wait for you I'll wait（）you return.A.to B.from C.for D.until I'll wait for you 什么意思? I'll just wait for you. I'll wait for you!什么意思? I'll wait for you in the I'll wait for you for 6 years. I'll wait for you before I change my heart! I'll miss you!I'll wait for you until you come back four mon I'll be waiting for you和I'll wait for you有什么区别? 有没有语法错误?I'll wait for you but wait till you,waiting for less