keep hard study ,believe yourself ,one day you will success

是keep study hard还是keep studying hard? keep hard study ,believe yourself ,one day you will success Bel bel Bel study hard study hard ,or you can keep pace with the time为什么不是to study hard?祈使句?但开头一定要ing或to do的嘛? study hard at 翻译 They 什么 study hard how to study hard? How to study hard? Study hard and keep healthy when you are young,o_____,you will regret in the future.急 Study hard ,Ann ,It will ( )your future life easy A.keep B.stay C.have D.make we have to study and work hard to keep up with the _(deveiop) of modern society hard enough ,keep please study hard or please study hardly l study hard and study well中文 learn hard还是study hard哪个对