His office is on the third __ of the building

His office is on the third __ of the building his office is on the 8th floor in the classroom building. his flat is on the _________ of building （twelve） 1.the lab is __ the dining hall and the office building .2.c on the right of the classroom building is the dining The building behind the office building is ________ science there are six floors in this building my o（） is on the third The man is on top of the airport building. The man is on top of the airport building.意思 our teacher's office is on the third floor.(变一般疑问句） the post office is on the other side of it This area consists of the Building Standards Office and the