Let play fill in the blanks!?

Just finished some exercises, but the book doesn't have answer in it. Please help. Use the correct tense.

1) Theory (be)____ a systematic grouping of interrelated principles. Its task (be)____ to tie together significant knowledge, to give it a framework. Scattered data, such as the miscellaneous numbers or diagrams typically found on a blackboard after a group of engineers (discuss)______ a problem, (be)____ not information unless the observer (have)______ a knowledge of the theory which (explain)_______ their relationship.

2) Although the organization of human beings for the attainment of common objectives (be)_____ ages old, a science of management (be)_____________ just now (develop)________. Since World War II there (be)_____ an increasing awareness that the quality of managing (be)______ important to modern life, and this (result)_______ in extensive analysis and study of the management process, its environment and its techniques.