It is vital that the work _______ in time.
B
这里主语从句中应该用虚拟语气，从句谓语用should+动词原形的形式，should可以省略。句意：及时完成这项工作是极其重要的。
Thegovernmentfinally________allthedocumentsrelatingtothewar.
_______,couldyougetmeaTurkishconversationbook?
Duringthepasttwodecades,researchhas________ourknowledgeofdaydreaming.
Itisvitalthatthework_______intime.
Theprofessorworkedfor7hoursata________.