用介词填空There is a big hole ---- the back door ----the room.There is a big hole ---- the back door ----the room.横线上应该填什么.为什么
问题描述:
用介词填空There is a big hole ---- the back door ----the room.
There is a big hole ---- the back door ----the room.横线上应该填什么.为什么
答