شرکت در آزمون آنلاین انگلیسی 3 - انگلیسی 3 | آزمون شماره 10506
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We need a lot of equipment and facilities to refine ............................. than other sources of energy.
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A new medicine ………… by doctors to cure cancer .
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Beause the writer penned over two thousand poems, it will take a while for the publisher to …… the poetry into one single book.
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