You must keep up with those friends who have more strength and intelligence than you

you must keep your You must keep up with those friends who have more strength and intelligence than you you must keep it well? ok you must keep your you keep me up all Did I keep you up? you _succee if you keep up your good work.a.must b.wil be sure to c.are sure to “you are so crazy!you must keep he cannot get up about two hours each day,but you must keep the room warm意思 You must give up fishing! Seems must to keep distance with you You must keep the bedroom ______(clean) You must keep your hand closed. You must keep your door .(open). You must keep quiet(改为祈使句) Never give up you dream keep love will keep you up all nigh We must keep our room clean.Dirt ...We must keep our room clean.Dirt and diseases go ___,you know.A.from time to timeB.hand in handC.step by stepD.up and down这道题选B,怎么翻译呢?Thanks!