In the corner of the office ___with a pile of papers on it.A

In the corner of the office ___with a pile of papers on it.A it is a pile of toys on the a man was lying in the box on the top of a pile of woolen go a man was lying in the box on top of a pile of woollen goods There is a pile of books on the floor.There are a pile of bo Where is the post office It's< >the cinema?A.of B.on C.in 一句句子看不懂A man was lying in the box on top of a pile of woolle 新概念二册46课,A man was lying in the box on top of a pile of wool It’s_____front of the post office.A.in B.on C.next to There are ___ paper in the workroom.A.a piece of B.a pile of 翻译：There's a pile of stone in the middle of the road. The TV set stands__the corner of the room.A)in B)at C)on