CHECKING CORNERPart 1 Warming Up, Pre-reading, Reading and Comprehending I. 根据句意及所给单词的首字母或汉语提示,写出所缺单词的正确形式。1. The postman rang the bell because he had a p________ to deliver.2. A________ is used to describe young people who are no longer children but who have not yet become adults.3. Jeremy lost his job last month, so he will have a t________ time.4. Mr. Black ________ (滥用) his position as M