1. Minh has patience than Nam. 7. She has free time than this year. 2. So far I’ve saved money than my close friend. 3. She drinks water than me. 4. Phong has visited countries than Mai. 5. They give me money. 6. Next year, we will have homework. 8. Let’s wait for minutes and try to call her again. 9. We prefer living in the countryside because it has…….pollution than the city. 10. There used to be unemployed people in this city five years ago. Ex36. Fill in the blank with a suitable word in the blanket. Overpopulation is an undesirable condition where the number of existing human population (1) the carrying capacity of Earth. Overpopulation is (2) by a number of factors such as reduced mortality rate, (3) medical facilities, and depletion of precious resources. The effects of overpopulation are quite severe. One of these is rise in unemployment. When a country (4) overpopulated, it gives rise to unemployment as there are (5) jobs to support a large number of people. Rise in unemployment gives rise to (6) as people will steal various items to feed their family and (7) them basic amenities of life. High cost of living is another effect. As difference (8) demand and supply continues to expand due to overpopulation, it raises the (9) of various commodities including food, shelter and healthcare. This means that people have to pay (10) to survive and feed their families.