_tress have been cut down so drought and floods always happen.A.One or twoB.A thousand a hundredC.Hundred and thousands of D.Hundred andthousand of

_tress have been cut down so drought and floods always happen.A.One or twoB.A thousand a hundredC.Hundred and thousands of D.Hundred andthousand of some words have been cut out In the picture,all the trees have been cut down.句子中为什么加been I have been asked to have the tree cut down.和I have been asked to cut down the tree.有什么区别么? most boy students have their hair____(cut) once a month填什么?若填cut,为什么不用被动语态填been cut, 2006 山东临沂A report says hundreds and thousands of trees ______in the Amazon rainforest last yearA.was cut down B have been cut downc were cut down D had been cut down 我选的是D The vicar has been asked to have the tree cut down为什么不是牧师要求砍树? 翻译several tourist attractions included in our package tour have been cut 请问这句话的意思?The number of women students have been cut to 60%. Oh ,it`s you!I hadn`t recognize you .I ____and I`m wearing new glasses.A cut my hair B have my hair cut C have cut my hair D have been at war have a power cut 英语翻译They feel cut off from the adult world into which they have not yet been accepted Over the last 200 years,over harf () the trees on Earth have been cut down,填介词. he has been asked to have the tree cut down 这句话怎么理解he has been asked to have the tree cut down曾经有人要他把这棵树砍掉请问he was asked to have the tree cut down和第一句有什么区别现在分词强调结果,我没感 he vicar has been asked to have the tree cut down,but so far he has refused.1：上句中：has been asked to...是被动语态吧?2：have the tree cut down,为什么要加个have,个人觉得这样不就可以了吗?-------cut down the ） have been have been have been