100年前,奥地利人马克斯·舒施尼发明了塑料袋,在当时无异于一场科技革命,给人们带来了极大的方便。然而今天,它竟然被评为20世纪人类“最糟糕的发明”,这表明( )
–Yesterday _______8-year-old boy fell into the river._________ boy was saved by _______policeman.
---I am going to take part in the piano competition next week.---_______
Several years ago, very ______ people knew Yao Ming .But now he is well-known all over the world.
Han Han is one of ______ teenager writers today.
.---I’m sorry that I shouted at you this morning. ---______.But please don’t get angry so easily next time.