In the following passages the numbered gaps indicate missing words. Against each number in the below each passage, five choices are offered in columns lettered A to E. For each question choose the word that is the most suitable to fill the numbered gap in the passage.

Locusts have from time to time been the cause of terrible -71- of farms. -72- of locusts can, in a few hours, strip vast areas of green and fertile country of all signs of -73-. They are -74- or periodic -75-. After a heavy -76- of an area, they may not reappear for ten or fourteen years. Now that more is known of the life of locusts, there periodic -77- are better understood and consequently more -78-. Scientists now know the regions in which the gregarious phase of locusts may occur, and can even sometimes -79- when an -80- will take place. By modern methods of dusting and -81- the young locusts, such as the -82- can be destroyed on a large -83- before they do much -84-. The D.DT -85- has proved particularly effective.
The main source of -86- to the government is -87-, which can be direct. While the former is based on one's -88- the latter is imposed on goods and -89- and is paid only when these are -90-. Other sources include -91-, such as those paid by mining companies, and sale of -92- for dogs, guns, hotels e.t.c. Another major source is -93-, which is different from others because it has to be repaid. From these and other sources, government is able to raise -94- with which it carries out its -95- which include administration and the -96- of services.
Besides, it is able to control the country's -97- by imposing taxes sometimes to prevent -98- or by altering patterns of -99- through the raising of -100- against certain foreign products.

In question numbered 82 above, choose the best option from letters A - E that best completes the gap.

A. caterpillars

B. grubs

C. hoppers

D. maggots

E. nymphs

In question numbered 83 above, choose the best option from letters A - E that best completes the gap.

A. scope

B. scale

C. range

D. field

E. outlay

In question numbered 84 above, choose the best option from letters A - E that best completes the gap.

A. damage

B. confusion

C. panic

D. disturbance

E. suffering

In question numbered 85 above, choose the best option from letters A - E that best completes the gap.

A. detergent

B. antiseptic

C. medicine

D. repelent

E. insecticide

In question numbered 86 above, choose the best option from letters A - E that best completes the gap.

A. production

B. revenue

C. development

D. reserves

E. capital

In question numbered 87 above, choose the best option from letters A - E that best completes the gap.

A. planning

B. budgetting

C. taxation

D. exportation

E. investment

In question numbered 88 above, choose the best option from letters A - E that best completes the gap.

A. income

B. profits

C. services

D. salary

E. wealth

In question numbered 89 above, choose the best option from letters A - E that best completes the gap.

A. remuneration

B. surpluses

C. resources

D. lotteries

E. services

In question numbered 90 above, choose the best option from letters A - E that best completes the gap.

A. produced

B. supplied

C. distributed

D. bought

E. promoted

In question numbered 91 above, choose the best option from letters A - E that best completes the gap.

A. compensations

B. benefits

C. tariffs

D. gratuities

E. royalties