Question 7: Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word or phrase that best fits each of the numbered blanks from 31 to 35. THE DANGERS OF DIETING Thanks to our moden lifestyle, with more and more time spent sitting down in front of computers than ever before, the (31)________ of overweight people is at a new high. As people frantically search for a solution (32)________ this problem, they often try some of the popular fad diets being offered. Many people sea fad diets (33)________ harmless ways of losing weight, and they are grateful to have them. Unfortunately, not only don’t fad diets usually (34) ________ weight. While the reckless use of fad diets can bring some initial results, long-term results are very rare. (thirty first)……………………..
the number of + N (plural) + V singular: the number of…
Eg: The number of immigrants moving into the city has increased dramatically
=> Answer A (Due to the modern lifestyle and spending more time in front of the computer than before, the number of overweight people is increasing sharply.)