精选优质文档-倾情为你奉上 专 心-专注-专业 20 Peters job was to examine cars when they crossed the frontier to make sure that they were not smuggling anything into the country. Every evening he would see a factory worker coming _1_ the hill towards the frontier, _2_ a bike with a pile of goods of old straw on it. When the bike _3_ the frontier, Peter would stop the man and _4_ him take the straw off and untie it. Then he would examine the straw very _5_ to see _6_ he could find anything, after which he would look