i'll buying all you guys a round of drinks 请问为什么是buying 不是buy

i'll buying all you guys a round of drinks 请问为什么是buying 不是buy I'll leave buying the tickets to you为什么要用buying I'll be all you need and i'll give you all my love I do appreciate your understanding.I'll miss you all i'll love you for ever all my life |zhushun I'll love you sincerly all my All my life,I'll be with you forever . I'll Make It All Up To You 歌词 I Ll Make It Up All Up To You 歌词 I'll be all you need and more I'll wait for you all the time! I`ll remember you forever all my life 是什么意思? If i catch you ___ anyone next time,i'll report to the police and stop buying things here.A.cheating B.cheat C.to cheat D.to be cheating.I couldn't settle down to my homework with all that noise ____outside of our building.A.going on B.goes on C.went 翻译dear , give you all of me . i promise i‘ll give you happiness I'll love you till i die , Need you all my life 神马意思? All I want is you,my girl I’ll be there for you,always是什么意思 英语单项选择,请给解析,I'll spend what I have ________ you a new coat.A.buying B.bought c .to buy D.buy