The classroom is very dirty.it is hard to clean it和it is hard to clean选哪个 有什么区别

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) The man d_____ is ver friendly根据句意及首字母填空 选择并解释the British ___are/is ver proud of their sese of humour 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