用grandpa、writing、is、in、a、letter、the、room(?)组成一句话
问题描述:
用grandpa、writing、is、in、a、letter、the、room(?)组成一句话
答
Grandpa is writing a letter in the room.
答
Is grandpa writting a letter in the room?
答
Is grandpa writing a letter in the room
答
好难啊