【完形填空.​wemust1tobedearlyandgetupearlyinthemorning.(紧急求助）ifwe2,weshallbehealthy.Thebaby3enoughsleep.Childrenneednice4sleepeverynight.Some5gotobedlateatnightandgetuplateinthemorning.This】

　　完形填空.​wemust1tobedearlyandgetupearlyinthemorning.(紧急求助）

　　ifwe2,weshallbehealthy.Thebaby3enoughsleep.Childrenneednice4sleepeverynight.Some5gotobedlateatnightandgetuplateinthemorning.Thisis6goodforthem.We7sleepwhenitisdark.when8breaks,wemustgetup.

　　A.went B.go C.going

　　A.do B.does C.did

　　A.need B.needto C.needs

　　A.hours' B.hours C.hour's

　　A.child B.people C.man

　　A.no B.hardly C.not

　　A.must B. can C.may

　　A.this B.it C.that