Once a man got on a bus for New York.He hid in (in → in the) toilet,because he did not want to pay.But a passenger saw her (her → him ).She tapped the person in front of her on the shoulder and say (say → said),"There's a bum in the toilet.Tell the bus driver." The message was past (past → passed ) from person to person.But anywhere (anywhere → somewhere) along the way,it changed.The bus driver was told that there was a bomb in the toilet.He immediate (immediate → immediately) stopped the bus and telephoned the police.When the police came in (去掉 in) ,they told the passengers to get off the bus or (or → and)stay far away.Then they closed the highway.This soon caused a 15-miles(miles → mile) -long traffic jam.Under (Under → with) the help of a dog,the police searched for two hours.Of course they found no bomb!