Itisvitalthatthework_______intime.
A、isdoneB
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。
Whydoyoublamehimforhispoorjudgmentonthematter______hereallyneedsisencouragement?
Theoutlineofrooftopsandchimneys________againstthepalesky.
The government finally ________ all the documents relating to the war.
The students are required to ________ the main ideas of the article in their own words.
Theprofessorworkedfor7hoursata________.
