Beijingisn'ttheonlycitywithtrafficproblems．Youcangetstuckinatrafficjamanywhereintheworld．Forexample，inEurope，mostcapitalcitieswereplannedandbuiltbeforecars，andtrafficjamsincitycentre（61）___（be）part

　　Beijing isn't the only city with traffic problems．You can get stuck in a traffic jam anywhere in the world．For example，in Europe，most capital cities were planned and built before cars，and traffic jams in city centre （61）___（be） part of daily life since the 1960s．

　　The situation in central London，（62）___ drivers spent fifty percent of their time in queues，became so bad that the local government decided to do something about it．In February 2003，the Mayor of London introduced a"congestion charge"-a tax for cars （63）___ （enter） the centre of the city．The idea was simple：every car that came to the centre had to pay 5pounds （64）___ day．Most Londoners were not happy （65）___ the idea．But there were a few people who thought the charge should be much （66）___ （high），because this would keep more cars out of central London，and the roads would be （67）___ （near） empty．

　　Did the congestion charge work？Two thirds of the （68）___（investigate） carried out at the end of 2003suggested it did．After only six months，cars in central London（69）___ （reduce） by about 30percent．More people used public transport，and bicycles were suddenly very popular．What's more，central London shops did not lose business （70）___there were fewer cars．