it is necessary that后面要用虚拟语气吗?（即加should do）.如果要的话是一定要还是也可以不用？

we think that is necessary还是we think that it is necessary it is clear that sleeping is necessary to everyone is it necessary to tell his father everything?此句用is that necessary we consider____the machine should be adjusted each time it is usedA.that it necessary B.necessary it that We consider _________the instrument be adjusted each time it is used.选项:a、that it necessaryb、it necessary thatc、 necessary thatd、necessary of it that 17. We consider the machine should be adjusted each time it is used.A. that it necessary B. necessary it that C. it that necessary D. it necessary that解析下! we consider__ the instrument should be adjusted each time it is used.A,that it necessary B,it necessary that.答案选择A,为啥B不对? 英翻中：Modern medicine is developing so quickly that it is necessary for doctors to keeplearning we consider____the machine should be adjusted each time it is usedA.that it necessary B.necessary it that 选什么?为什么?B选项错了，应该是it necessary that 对不起哦 It is necessary that you have support teams to bring water and drinks.It is necessary ________ _________ ________have support teams to bring water and drinks. Something that is necessary means we need it for a purpose or a reason的翻译 I think that it is necessary in protect the environment.用英语怎么解释句子 them what necessary it is that we get rid of these把这段英语改错 it is necessary that the plan__before juneA were fulfilledB was fulfilledC be fulfilledD would be fulfilled He_me that it is necessary to take some money with me初二英语, if it is necessary /if necessary /when it is necessary 意思一样吗 i think it is necessary that. and that.这样用有错吗,第二个that是不是要去掉? 英语翻译It mistakes something that is necessary for its conclusion to follow for something that ensures that the conclusion follows.