题目内容
14．A．Some UFOs will visit the earth．B．The robot does some housework for humans．
C．People will build houses and hospitals on Mars．
分析 略
解答 略
点评 略
练习册系列答案
名校课堂系列答案
相关题目
B．The robot does some housework for humans．
C．People will build houses and hospitals on Mars．
名校课堂系列答案