Read the following passage, and mark the letter (A, B, C or D) on your answer sheet to indicate the correct answer for each of the blanks.
It is a well-known fact that Japanese people have a longer life expectancy than the population of most other countries. A (6) ______report shows that the Japanese also expect to remain healthier for longer. Scientists are trying to work 7)______what keeps elderly Japanese people so heathy, and whether there is a lesson to be learnt from their lifestyles. Should we (8)______any changes to our eating habits, for instance, or go jogging each day before breakfast? Is there some secret (9)______ in the Japanese diet that is particularly (10)______for the human body?
Although the (11)______of a longer , healthier life is a good thing for the individual, it can (12)______ create a social problem.The number of people over the age of 65 in the population has doubled in the last 50 years and that has increased pension and medical costs. Japan could soon be (13)______an economic problem: there are more elderly people who need to be looked after. And relatively fewer younger people working and paying taxes to support them.
One solution could be to (14)_______ retirement age from 65 to 70 . After all, the elderly have a great deal to (15)______ . If they continue to be active in society , younger generations will have the chance to learns more from their wisdom and experience.
A.therefore
B.actually
C.even
D.as well