شرکت در آزمون آنلاین انگلیسی 3 - درس سوم | آزمون شماره 4419
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The electricity powering the lights in this theater is generated by ................... panels.
2- The gases, especially methane and carbon dioxide, ………. the Earth’s heat radiation and thus warm the surface.
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During my presentation , I'm going to cite the ............................................. of the people who invented the microchip.
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