李婷婷一年级:英语高手,please.
来源：百度文库 编辑：高校问答 时间：2024/10/04 16:51:49
Please________and bring some books.
A.go to upstairs B.go down upstairs C.go upstairs D.go up stairs
要原因
A.go to upstairs B.go down upstairs C.go upstairs D.go up stairs
要原因
C
上楼去
C upstairs 是方向性副词