1. They expect more than two million Muslim pilgrims from all over the world head to Mecca this year. 2. People believe that many more people will die of skin cancer over the next ten years. 3. People are thinking that drugs are very dangerous. 4. People reported that Bitexco Tower is the tallest skyscraper in Vietnam. 5. They think that the first temple existed during the reign of Le Thanh Tong in the 15th century. 6. People know that PhongNha Cave was found in the 16th century by Cham people. 7. People claim that the site of the Perfume Pagoda was discovered over 2000 years ago. 8. They said that the government was conducting a project to investigate the harmful effects of air pollution. 9. They thought that he went to a local restaurant with his girlfriend. XÁC ĐỊNH DANH TỪ VÀ ĐỘNG TỪ GIÚP MÌNH NHỚ