Hundreds of jobs ______ if the factory closes.
137. --- Why are most of us unable to study English well, Mr. Li?--- You ______. But you _____ too little attention to it.
138. Have you heard of it? Firefighters rushed into a burning house, three of them unfortunately _____ in and ______ their lives.
139. Yao Ming is very famous now. However, his basketball career _____ only after many years of hard work.
140. Mr. Zhang is such a considerate person ______ all his colleagues like to work with.
141. According to recent reports, one of the rare animals, _______ crocodile, will be in danger of dying out in _____ 2020s.