how clean the window is.yes.it---just now.为什么用has been cleaned不用was cleaned

you must clean the window对clean the window提问 clean the window怎么读 改错Let’s me clean the window. The only thing__you have to do is to help clean the window A,which B,what C,that D,How how clean the window is.yes.it---just now.为什么用has been cleaned不用was cleaned My father asks me to clean the window,对to clean the window提问 1.-how clean the window is!-yes.it[ ]just now.A has been cleaned B was cleaned2.-how clean the bedroom is!-yes i am sure that someone [ ]itA cleaned B has cleaned When did he clean the window?怎样改为被动语态 lucy,you clean the window.这是祈使句吗?为什么 Let's me clean the window.修改病句 用me.the.let.clean.window(!)拼一句话 Please clean the window.改成否定句如何改? Please clean the window,______ ______ 反义疑问句 She's to clean the window.对clean the window.提问 _ _ she _ _ _? （ ）1、The teacher wants Ben _____ the window.A.clean B.to clean C.cleaning let nancy ( )the window A.to clean B.cleaning C.clean The window is clean.Don't clean it.同义句转换 How clean the room is today!