haven't been cleaned和 haven't cleaned的区别可以具体点告诉俺吗?不懂的别从别人那儿复制,被动语态的完成时是这么样的?

The windows need ________,most of which haven’t been cleaned for a whole year．A.cleaned B.to be cleaned C.clean D.being cleaned 现在完成时haven't clean还是haven't cleaned? haven't been cleaned和 haven't cleaned的区别可以具体点告诉俺吗?不懂的别从别人那儿复制,被动语态的完成时是这么样的? haven't been in,have/haven't been to,have/haven't gone to how many childeren haven't been found? Some students haven't been there 翻译I haven't been there I haven't been to the mountains You haven't been 3Q --The window is dirty.--I know.It _____for weeks.A.hasn't cleaned B.didn't clean C.wasn't cleaned D.hasn't been cleaned I am afarid you can't go into the bedroom.It________yet.A.hasn't been cleaned B.hasn't cleaned(续上）C.isn't cleaned D.wasn't cleaned为虾米这里要选A啊? haven't been to.和haven't gone to 的区别 The students have cleaned the classroom,_______?A.so they B.don't C.have they D.haven't they The window which hasn't been cleaned for at least 3 weeks requires ______A.to clean B.cleaning C.cleaned D.being cleaned说明原因 you haven't been in my heart since then是什么意思 I haven't been three for five years 翻译I haven't been to shenzhen yet any place I haven't been to 的意思