I. раскройте скобки, употребив нужный модальный глагол. 1. engineer (должен) know all mechanical properties of machines. 2. this device (может) generate rotary motion. 3. he (не смог) reduce the pressure. 4. natural forces (могут) power large mechanical systems. 5. (можно) i ask you a question? ii. замените модальные глаголы эквивалентами. 1. students could not carry out experiments. 2. you must know in detail all mechanisms. 3. archimedes could define some simple machines. 4. you may use this journal for your report. 5. modern wind turbines can drive generators.

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