A new city has been set up in__was once a wasteland 10 years ago.为什么用what不用whichwhat与which的区别

A total of 50000 new bikes ( ) in this city each year.A.has been registered B.are registered C.is registered D.have been registered Miss Wang has never been to such a bib city( ) A.so long B.so far C.so soon D so new A new city has been set up in__was once a wasteland 10 years ago.为什么用what不用whichwhat与which的区别 A new bike was bought for him 还是 has been bought for him after he enteredthe senior middle school of the city.为什么?has been bought 为什么错了 错在哪 解决一道英语题 求高手neither you nor he＿＿＿New York city .A has gone to B have gone to C have been to D has been to 英语翻译Protect environment(环境保护)The earth scale change of climate has brought a new kind of natural disaster and the developed and complicated city system is holding a latent risk of expanding the damage artificially.Also people has been 英语翻译Protect environment(环境保护)The earth scale change of climate has brought a new kind of natural disaster and the developed and complicated city system is holding a latent risk of expanding the damage artificially.Also people has been 高手帮忙解释一下这道题~~~拜托!xiexie ~~~Although,she has been transferred to Mexico City ,Ms Vaxter and her former colleagues at the New York branch-----in contact.A remainB remainsC remainingD has remained请详细的解释 A city has been built up 句中的谓语动词是has 还是been,还是 has been都是?请详细给我划分一下句子成 Hong Kong is known as a city of trade and finance.Now,it is discovering a new as Asia's art capital.The city became the world's third largest art auction market after New York and London in 2007 and since 2008 it has been home to a successful modern Never before _______ in greater need of modern public transport than it is today.A.has this city been B.this city has been C.was this city D.this city was为什么选A,不选C? He has just bought a new house in the city.（改为被动） The park has become a new tourist a____ in the city. So far,Irving ______(live) in New York City for ten years.这里是填 has lived还是 has been living两者有什么区别呢? Never before _______ in greater need of modern public transport than it is today.A.has this city been B.this city has been C.was this city D.this city was she has been ----the city five times A.to B.in Never before in history has a city been so completely destroyed The new model has now________for sale A.been released B.released C.been cut out D.been published