1. economics 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

vladislavserov    3   30.06.2019 00:10    4