Заполните таблицу Значение природных богатств для экономики

1. What have they studied?
2. Who haven't started the talks yet?
3. Where has the director taken the contracts?
4. Why hasn't she come to the conference?
5. How many orders has she sent?
6. What has Mr. Bell paid much attention to?
7. Who has the manager made good contracts with?
8. What models has displayed this company?
9. How much money have they invested?
10. What has increased for our goods?