1economics is/are the study how people me their resources to produce, distribute and consume goods. 2 the news that he was enable to earn a living was/were quite surprising. 3 two weeks isn't/aren't a very long time to become used up, is it/are they? 4 money isn’t/aren’t the most important thing in life, is it/are they? 5. politics is/are professor brown’s speciality. 6. the knowledge gained from the experience was/were invaluable. 7. several japanese was/were reported to complain that the fish had gone bad. 8. the imports has/have greatly increased which may influence the supply. 9. a knowledge of statistics, the analysts of how people and countries use their resources to produce, distribute, and consume goods and services is/are so important. 10. what is/are his politics as to breaking into the south american market?

1. Economics is the study how people use their resources to produce, distribute and consume goods.
2 The news that he was enable to earn a living was quite surprising.
3 Two weeks isn't a very long time to become used up, is it/are they?
4 Money isn’t the most important thing in life, is it/are they?
5. Politics is Professor Brown’s speciality.
6. The knowledge gained from the experience was invaluable.
7. Several Japanese were reported to complain that the fish had gone bad.
8. The imports have greatly increased which may influence the supply.
9. A knowledge of statistics, the analysts of how people and countries use their resources to produce, distribute, and consume goods and services is so important.
10. What are his politics as to breaking into the South American market?