1.用last是对的.也可以说This movie / film runs 3 hours. 2.How long is this movie ?/How many hours?(不是很确定第二句,一般就将直接问) 3.How many episodes does this TV play have (in all)? 4.This TV play has 40 episodes in all,and I think it is good./it just so so./this is a waste of time. 5.After busy working all day ,it will make us feel good/relax if we enjoy the music or go to see a film.