The machine can do the work for _____(quick)

The machine can do the work for _____(quick) 翻译：　The machine can do the work of three people Can you o____ the machine? I don't know ( ) the machine.Can you tell me?Wait a moment.I will tell you ___to start it.A.what to do;howB.what to do;whatC.how to do;whatD.how to do;how We can't fix this machine well.Can you show us______?A how to do B what to do C how to do it D what do it （化为简单句） He really doesn't know how he can operate the machine. We can't use the machine unless Mr Smith__itmend has mended the machine wouldn't work.can you try it again为什麽是选wouldn't而不是couldn't ?详情解释. I don't know how to make the machine run 疑问i can`t make this machine run properly 怎么run 不加s 助动词不是在前面吗I don't know how to make the machine run the machine can't work.这个句子的谓语是哪个?这是一个主谓句,the machine 做主语,can't 做谓语,还是work做谓语,还是 can't work做谓语? He is very young ,so he can't go to school.what do you use the machine?这句话有一处错误,将错误写出,并改正不要第二句 What do you make the machine for?(改为同义句) ____________ do you make the machine? You can't leave the workshop ____the machine is running.A.unless B.until C.while D.before Do you know the person _____ invented this machine?Sorry,I don't knowA.whichB.whoC.whomD.what ( ),we must do wok on the machine A.For a machine to do wok B.For a machine doing wok you can take the book out of the read room what do the workers was the machine for 的被动句 don't (t ----- ) the machine ,or you may be hurt. can't do it