What did teenagers do for fun 20years ago?(用twenty years from now作状语改写句子）

What did teenagers do for fun 20years ago?(用twenty years from now作状语改写句子）
What did teenagers do for fun 20years ago?(用twenty years from now作状语改写句子）

What did teenagers do for fun 20years ago?(用twenty years from now作状语改写句子）
用twenty years from now作状语时要改变原句时态
有from now时要记得使用 现在完成时
所以我认为要把句子改为
What have the teenagers done for fun twenty years from now
..一定对

twenty years from now表示将来，所以改为
What will teenagers do for fun twenty years from now?

原来的“20years ago”是作的时间状语，
现在要用twenty years from now改
要变时态
What will teenagers do for fun twenty years from now

what did teenages do for fun twenty years from now?
本身20years ago 也是作为状语来用的呀
如果作为定语改写的话，应该跟在teenage后面吧。。。