Раскройте скобки, употребив нужную форму причастия (Participle I или Participle II). 1. (To vary) input, the firm can vary output. 2. There was an increase in the quantity of gas (to produce) last year. 3. The work of a farmwor...

Раскройте скобки, употребив нужную форму причастия (Participle I или Participle II). 1. (To vary) input, the firm can vary output. 2. There was an increase in the quantity of gas (to produce) last year. 3. The work of a farmworker and a nurse are measured in terms of payment (to receive). 4. (To impose) some restrictions on food prices, governments make it possible for all the people to buy enough food. 5. Firms (to produce0 computers act as buyers in the markets for the services of computer programmers.