Many people prefer (23) ________to developed countries like US, UK, Canada and Australia where (24) ________facilities are available in terms of medical, education, security and employment. The end result is that those people settle over there and those places become overcrowded. Difference between the number of people who are leaving the country and the number of people who enter narrows down which (25) ________to more demand for food, clothes, energy and homes. This gives (26) ________to shortage of resources. Though the overall population remains the same, it just (27) ________the density of population making that place simply overcrowded. 23. A. to move B. moving C. to moving D. move than 24. A. most B. the best C. the most D. best 25. A.causes B. leads C. results D. brings 26. A. a rise B. rising C. rise D. rises 27. A. has influence B. affects C. has impact D. has affect