27. To be successful in avoiding strong fluctuations in business activity, the government to make injections into a growing economy. a) need b) must c) has
28. The government to reduce expenditures to prevent recession.
a) is able b) must c) can’t
29. Aggregate demand be managed to grow as much as the GNP.
a) allowed b) ought c) should
30. Oil and gas be sought in inaccessible places, which adds to their production costs.
a) need b) can’t c) have to
31. National economy be dramatically affected by too high aggregate demand.
a) can b) ought c) shouldn’t
32. Many needy families became than before.
a) poor b) poorer c) more poor
33. Property prices in the south were much than in the north.
a) highest b) more high c) higher
34. The economic event happened in 1980.
a) wonderfuller b) more wonderful c) most wonderful