Раскройте скобки и употребите инфинитив в соответствующей форме. 1. All bank-notes and coins must (to accept) at their full nominal value without restriction.
2. Bank-note paper can easily (to distinguish) from ordinary paper.
3. We know a great variety of commodities (to use) at one time or another as a medium of exchange.
4. Cheques and credit cards are known (to become) more popular in recent years than paper money and coins.
5. New technologies are said (to allow) people with bank accounts to pay for their purchases in shops through videotext TV.