Закончите предложения, употребив глагол в скобках в Present Indefinite Passive:
1. A laboratory is a place where experiments (to carry out). 2. A weighing-room is a place where substances (to weigh). 3. The reading room of the library is a place where books (to read). 4. Reagents are substances which (to use) in experiments. 5. Thermometers are instruments which (to supply) with scales. 6. Distilled water is the water which (to purify) from natural impurities. 7. A lecture-room is a place where lectures (to deliver). 8. A dining-room is a place where meals (to take).