下面的一段文章为课文原文的浓缩，仔细阅读，根据原文章内容将其补充完整，并尽量背诵。

　　Have you ever dreamed 　　1　　 being in front of lots of audience at a concert, 　　2　　 everyone clapping and enjoying your singing? If we are 　　3　　 with ourselves, most of us have dreamed of being famous．But how do people get to form a band?

　　In America, bands are formed by high school students．They may play to 　　4　　 in the street or subway 　　5　　 they can earn extra money．This gives a group a chance to dream of becoming 　　6　　．

　　However, there was one band formed in a different way．It began 　　7　　 a TV show．The musicians 　　8　　 the band was formed played 　　9　　 on each other 　　10　　 played music．Their music and jokes were 　　11　　 loosely 　　12　　 the band called “The Beatles”．The TV organizers had looked for four musicians who were 　　13　　 and who could make good music．They put an 　　14　　 in the newspaper, but they had to use actors 　　15　　 the other members of the band．At first actors may not be able to sing while the band 　　16　　 to sing songs．

　　Their 　　17　　 performances were copied by other groups．After a year 　　18　　 they became more serious about their work and started to play 　　19　　 and write their own songs．Then they produced their own records and started touring．

　　However, the band 　　20　　 in about 1970, but reunited in the mid 1980s．A new record was produced in 1996 to celebrate their time 　　21　　 a real band．

读下面的短文，把方框内的数量词填入短文内

　　Pinatubo awoke on 　　1　　．Hot ash and gas flowed down the hillside and ash clouds rose 　　2　　 into the atmosphere．

　　On the volcano’s slopes, seven cubic kilometers of pulverized(成粉末状)rock now lay in drifts(漂流)　　3　　 feet thick, totally reshaping the landscape．

　　One of the first dangers is falling debris(残骸)collecting on houses and causing roofs to collapse(塌陷)．In fact that was the main killer for this eruption．The eruption had come with the annual Typhoons that regularly swept the Islands．Heavy rainfall hit the hot and loosely packed volcanic debris．It was to be the start of a terror(恐怖)that would kill the people here long after the eruption stopped．

　　Imagine a truck delivering wet concrete(混凝土)．But expand that material to 　　4　　 cubic meters of debris-all moving at the same time-and you have a Lahar(火山泥石流)．

　　40 kilometers downstream from Mount Pinetubo is the town of Bacalor．Years after the eruption stopped, this town still suffers the onslaught(冲击)of Lahars．Most of its population of 　　5　　 have departed to resettlement camps．

　　About 　　6　　 of the population of Bacalor never left．They had been warned many times but the people remained．They seemed to be there forever．

　　Every year when the rains come new Lahars swamp(淹没)the town raising the land ever higher．Still people rebuild their homes．

　　Some of them have houses twice or even three times．And some people gave up, and others raised it 　　7　　．

　　Bacalor was originally a township of twenty-one large villages．Today only 　　8　　 remain．

　　The broken remains of Mount Pinetubo are silent now．But its volcanic ash lay heavy on its slopes．Just 　　9　　 of heavy rain, can produce a Lahar．It is not unusual to have eighteen Typhoons a year．So Philippine scientists constantly monitor(检测)the weather on the mountain’s slopes．Since the eruption, 　　10　　 Lahars have occurred, and all resulted from Typhoon rain．To reduce its damage, a huge system has now been constructed．