They ------- the room with expensive tables,chairs and drape

选2,furnish with..用(家具)布置(房间、建筑物等)
ornament 用...点缀, decorate with 用...装饰,都是指用饰品来美化,跟furnish还是有不一样的意思.
restore 的意思是：修复,还原,跟句子意思不符合.