阅读下面短文，根据所给单词首字母提示，写出空缺处的单词。
Advertisement and Largest Biscuit
Advertising discovered years ago that all of us love to get something for nothing．An advertisement w______（66）begins with the magic word FREE can rarely gowrong．These days，advertisers not only o______（67）free samples，but free cars，free houses and free t______（68）round the world as well．They devise hundreds ofcompetitions which will enable us towin huge sums of m______（69）．Radio andtelevision have made it p______（70）for advertisers to capture the attention ofmillions of people in this way．
During a radio p______（71），a company of biscuit manufacturers（饼干制造商）once asked listeners to b______（72）biscuits and send themto theirfactory．They offered to p______（73）＄2a pound for the largest biscuit bakedby a l______（74）．The response to this competition was tremendous．Beforelong，biscuits of all s______（75）and sizes began arriving at the factory．One ladybrought in a biscuit on a wheelbarrow．It w______（76）nearly 500pounds．A littlelater，a man came a______（77）with a biscuit which occupied the whole boot of hiscar．All the biscuits that were sent were carefully weighed．The l______（78）was713pounds．It seemed certain that this would win the p______（79）．But just be-fore the competition c______（80），a lorry arrived at the factory with atruly verylarge biscuit which weighed 2400pounds．I______（81）had been baked by acollege student who had u______（82）over 1，000pounds of f______（83），800pounds of sugar，200pounds of fat and400pounds of various other inGREdients（成份）．It was so h______（84）that a crane（起重机）had to be used to remove itfromthe l______（85）．The manufacturers had to pay more money than they hadexpected，for they bought the biscuit fromthe student for ＄4，800．
key: 66.which 67.offer 68.trip 69.money 70.possible 71.programme 72.bake 73.pay 74.listener 75.shapes 76.weighed 77.along 78.largest 79.prize 80.closed 81.It 82.used 83.flour 84.heavy 85.lorry
