1---it is so clean --- we s_____ the floor just half an hour ago.

时态填空 -The classroom is so clean.When__you___it(clean)it?-We cleaned it twenty minutes ago. 1---it is so clean --- we s_____ the floor just half an hour ago. the room is so dirty _we clean it? The classroon is so clean.Someone---(could/must)clean it just now. It is very()(clean). .The classroom is so dirty that it needs ______ badly.A.clean B.to clean C.being cleaned D.cleaning再这4种答案中选其1 The room is so dirty that we can't clean it.（改为同义句The room is ( ) dirty ( ) clean. Our ciassrooms is big and clean,so it's ______(comfort) to study in it -Your room is so dirty.( ) it now.-OK.I will.A Clean.B To clean.C Cleaning.D Cleaned. The classroom is so clean,Someone __must____ clean it just now.为什么用must.just now是表过去啊 初中英语 现在完成时 的问题the room is so clean who has cleaned it 用cleaned行不行 Look!Your room is so dirty and u__ .Youd better clean it now. the floor is so clean,i wonder who_____(sweep）it The classroom is so clean .I wonder who （）（sweep）it 动词填空.. The classroom is so dirty that it needs( )badly谢谢了,A.clean B.to clean C.being clean D.cleaning 1LIlei and Bob___(sweep)the floor,so it is clean and bright 2Millie __(like)walking when theweather is nice It is nice and clean what a clean room it is!how clean ------ ------ ------ is 感叹句