阅读理解。 Roy found a job in a factory. The manager and his father were good friends. The manager thought he must give Roy an important position. So Roy became a gatekeeper. Roy worked twenty-four hours a day in the factory. He checked the bag of each worker when they left the factory. He found nothing in their bags. He was very happy. Nobody took the products to his home. One day the manager asked, 'Roy, did you find anyone took the products away?' 'No,' answered Roy, 'by the way, what products do the workers make?' 'Bags,' said the manager. 判断正误，正确T，错误F。 (     ) 1. Roy found the job because the manager was his good friend. (     ) 2. Roy worked twelve hours a day. (     ) 3. Roy worked very carefully. (     ) 4. Roy didn't find anything in the workers' bags. (     ) 5. Roy knew the bags were their products at last.