ets done _______ when people do ittogether,and the rewards are higher too

Many young people don’t work hard, and regret it later when the opportunity is gone.They only realize it________it is too late

A report says an old man supports some poor children by collecting waste things.— Yes. We all feel is really kind him to do so much for the children.

下列各句中加线的成语使用恰当的一句是

In my opinion, life in the 21st century is much easier than _____. [ ]