Giúp mình nhé CHOOSE THE MOST SUITABLE OPTION TO COMPLETE THE PASSAGE. China has been the world’s most populous country for centuries and today (1) ............up one-fifth of the world’s population. It is no suprise that China’s huge population, tumultuous demographic history, and possible future have attracted the world’s (2) ............. The country’s growing economic strength, combined with its demographic might, ensures it will stay in the limelight for a long time to come. The country has (3) .............enormous social, economic, and political (4) ............over the past 50 years, but many of the issues that Chinese society (5) ............today are also closely connected to past demographic change. Because of the rapid and extensive fertility declines in China in the past 30 years, the country’s (6)..............of population growth has slowed considerably. The country’s population of 1.3 billion in the early 2000s is projected to grow by (7).............100 million by 2050. India-with its higher fertility levels- (8)........... forecast to move ahead of China in total population (9)..............by 2035. 1. A. builds B. takes C. has D. makes 2. A. focus B. Concentration C. attention D. notice 3. A. undergone B. underdone C. underdeveloped D. undercut 4. A. changes B. differences C. progresses D. exchanges 5. A. solves B. faces C. discusses about D. handles 6. A. speed B. level C. rate D. amount 7. A. other B. the other C. others D. another 8. A. has B. is C. had D. was 9. A. number B. size C. total D. amount