The classroom is cleaned by the students.有人说by the students是补语.我认为是状语.那么是什么状语呢?方式状语?大家的意见呢?二楼，没问by后是什么成分，by后面当然是介词宾语！答被动语态的逻辑主

the backboard is()()()()the classroom let is clean the classroom? is in the classroom翻译 one the students is in the classroom the library is (next to the classroom) There is a blackboard( )( )( )the classroom There is a blackboard( )( )( )the classroom The classroom is clean 的反义词是什么? 改错:Is there anybody in the classroom? Everyone is in the classroom,---------- ---------- 反义疑问句? My classroom is on the third floor The picture () our classroom is good My classroom is on the ground floor. The teacher is in___ ___ ___the classroom Is this the key___the classroom?填什么? Bill is in the classroom,doing( )homework our classroom is () the secoud floor My classroom is on the second f____