(2012全国新课程)I use a clock to wake me up because at six o'clock each morning the train comes by my house.
. I find singing Karaoke ________, for it takes my mind off my work for a while.
. Don’t cry over your lost friendship any more. It ________ be helped.
. _______ not like Jim to be late for class. He is always on time.
. Can’t we just live in today, ________ the worries of tomorrow or the regrets of the past?
. If we ________ earlier, we would have had trouble getting good seats.