Thw past,can onlybe used to oblivion shi

Thw past,can onlybe used to oblivion shi I can see (some birds) in thw sky.对括号部分提问、 I can see (some birds) in thw sky.对括号里的单词提问、 thw boy can see some flowrs on the desk.改为否定句 thw manager says he needs an assistant that he can count on to deal with the problems that may occu怎么翻译 Time past can't be called again Sadness can point?Back to the past? I can't forget the past you can't change the past. We can’t chanre the past We can’t chanre the past Past past past You can 't improv your past ,You can can improveYou can 't improv your past ,You can can improve your future . If a person can not forget the past,will want to return to the past it? What's past is past, can never go back, or come forth either.什么意思 hope you can be happy,the past is the past,cherish the present Can not return to the past 什么意识啊