Раскройте скобки, употребив passive voice (времена группы simple). 1. the income elasticity of demand (to express) in%. 2. the production figures (to decrease) every three month. 3. almost the same amount of coffee (to export) last year as the previous year. 4. the reserves (to try) to buy by the investors next year. 5. their own business (to make) on their own lands by the american farmers.