on my life 还是in my life?

on my life 还是in my life? make difference on my life?make difference on my life还是make difference in my life in the first day of my life 还是on the first day of my life in my left 还是on my left? in my studies还是on my studies l want to write a report ( )my life里面填什么是on 还是of computer in my life lucky in my life l hope you will company with me in my life. In my life we'll go on 的意思 my experience in class还是on class I put it down on my life,thak l love you from tI put it down on my life,thak l love you from the bottom of my heart,cause you the sweetest thing ever in my life,l cry so many times,ever since the night you were gone! on my spare time还是in my spare time 是on my birthday还是in my birthday 是 in my opinion 还是 on my opinion 是in my mind 还是on my mind? on my first day还是in my first day 应该是In my winter holiday还是On my winter holiday