Question

В следующих предложениях подчеркните модальный глагол или его эквивалент. 1. People must choose how best to use their available resources to satisfy the greatest number of wants and needs. 2. Materials can be bought on credit to help finance current expenditure. 3. Business people may borrow money in order to expand their business. 

Answer 1

модальные глаголы:
1)must
2)can
3)may