Please be quiet.My grandfather___________ .
–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.