-I can’t remember the due day pro-final for our final paper

I think it is the last day of the class， but professor Merida said not to wait until the last the minute to hand it in

17，hand out——分发

-The school bus drivers are handing out schedules

18，hang on to——牢牢地保住，紧紧地抓住

-I’ve decided to hang on to my textbook from last year

19，hang around——徘徊，逗留

-Actually what happens is that the a bunch of his us hang around for a while after class to talk with his our professor and ask him questions?

20，hands down——轻而易举地，容易地

-Lee won the chess match hands down