英语单选：The machine has been repaired three times since it____into use.A.had come B.has come C.came D.comes

英语单选：The machine has been repaired three times since it____into use.A.had come B.has come C.came D.comes 英语 the new machine has been tested the machine has been recovered this the machine () satisfactory after being testedThe machine __ satisfactory after being tested.A has proved B has been proved C has been provenD is prove 选哪个?为什么? 一道英语单选题,How do you think _____dealtwith the broken machine.A.he has B.has he C.dose he have D.had he.请明白点讲下,重点讲下A,B的不同,为什么A而不是B老老师为什么说do you think是插入语呢? has the machine made by uncle wang?改错 The price of this washing machine has been increased -------15%. Has someone fixed the coffee machine yet?改成被动 英语单选 The Chinas Three Georges Dam has faced如题 英语单选 The Chinas Three Georges Dam has faced ___second test as floods pushed the water in its reservoir to near its media 英语 单次填空he was c（） to know how the machine workedI try to r( ) him of reality of the danger 单选They didn't find _____ the machine.They didn't find _____ the machine.A.what was the matter withB.what the matter was with该选哪个?为什么? 英语单选.一道.the famous professor has several lectures ( tio attend ) every day.为什么不用attending 英语问题 为什么不选B28. --- Why do you suggestwe buy a new machine? --- Because the old one has been damaged___________. A. beyond reach B. without reach C.beyond control D. beyond description 英语单选1352：While the World Trade Center has fallen ,the world economy it ____ create continuesWhile the World Trade Center has fallen ,the world economy it ____ create continues.A.helpedB.had helpedC.helpsD.has been helping A new machine called 'The Revealer' has been invented这句英语怎么理解.主.谓called 'The Revealer'是过去分词短语吗 英语单选：All the parents appreciate the great importance the school has ________All the parents appreciate the great importance the school has ________ to eyesight protection.A.reacted B.attended C.attached D.adapted 英语单选 the pilot was so tired that he for twelve hoursA has fallen asleep B has gone to bed C has been asleep D has gone to sleep 高一英语单选求救!1.( )--Do you see why the machine dosen't work?--Sorry,let's ask the engineer______________.A.what is the matter B.What the matter isC.how is the matter D.How the matter isA也是陈述句了,为什么不选A而选B呢?2.You