Part IV Cloze (15 minutes)
Customs officers at a London airport yesterday found 500,000 pounds worth of drugs which were being smuggled (走私) into Britain in boxes marked “Urgent Medical Supplies.” The __71__ might have suspected for some time __72__ drugs were being brought into the country in this way. The __73__ is believed to be the work of a __74__ international group. Four men were arrested at __75__ airport and help for questioning, __76__ it is unlikely that they are the organizers. In __77__ they declared that they were __78__ of what the boxes contained and __79__ acted in good faith in bringing __80__ into Britain. This is the third time __81__ six months that attempts have been made to smuggle __82__ goods through Customs by declaring them to __83__ medical supplies. They are frequently __84__ in special containers and a __85__ is given that they may be __86__ if they are not handled with care. “__87__ are determined to put a __88__ to this practice,” said one of the Customs officers today. “__89__ is no way these people are going to get away __90__ this any longer. We have the full co-operation of the international police who are as anxious as we are to track down the main source of supply.”