Is it working这里的work 为什么加ing.

Is it working这里的work 为什么加ing. It is often necessay to reward people for their hard work,if you want them to continue working hard for you.疑问：这里的hard work和working hard有什麽区别, Are you going to work in this film? I'm working on it now.请问这里的work on 和work in 怎么讲?什么区别 谢谢 it is (u ) to keep working so hard,it doesn't work at all make it working or make it work? Working hard is the key to sucess 这里的主语是Working hard are going home ,is work ,are going to work ,are working的意思 working和work的用法 This maths problem is easy (to work out ) 在这里不是被动用法吗?为何不用 to be working out Is ____ easy _____ out the maths problem?Yes.You can work it out in three minutes.A.this；to work b.this；working C.it;working D.it；to work说明原因 It stopped working.里的work可以用原型吗?为什么? What bad working conditions!It is hard to imagine____ in such a place.A.you to work B.you work c.your work D.you working我觉得B D两个答案都可以啊,选B的话可以理解为省略掉that的宾语从句啊,可是答案只有D?为什么呢 -Tell me,exactly,how long it is that you've been working here?这里为什么用it is而不是is it work in 与 work at 的区别Tony worked in a lawyer's office years ago,but he is now working at a bank.这里work at 与 work in 应该都可以看作在XX工作.有什么区别呢? He spent a lot of time working for human rights and progress这里的working是非谓语,作什么成分?为什么不用to work? Does John work this week?和Is John working this week?的区别. 英语翻译Tim is working for a big firm as an engineer蒂姆在一家大公司担任工程师.这里的 work．．．as．．． it is easy for you____.a.to work out the problem b.working out the problem c.work out the probl