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。
Pleasewriteareport_______theabovesubjectsaretobecovered.
Please write a report _______ the above subjects are to be covered.
英文翻译：在经济危机之后，人们不再认为他们房子的价值会继续升高。
Robots differ from automatic machines ________ after completion of one specific task，they can be reprogrammed by a computer to do another one.
Anxiety can ________ with children ’s performance at school.
