那个题是怎样的?The world is always changing, and our__1__is always changing, too. Many years ago, people could only imagine__2__in the sky or__3__the moon,1，life 2,what 3,on 因为没有选项这几个答案是我根据意思猜的！只能作为参考！虽然对我没用处。但谢谢了