Some 200 world-famous physicists recently attended a conference whose purposenot only was to consider the prospects for the next 50 years of research in physics but also assessing the accuracy of the predictions made at the last meeting of this type , which took place 50 years earlier.
(A) not onlywas to consider the prospects for the next 50 years of research in physics but alsoassessing the accuracy of the predictions made at the last meeting of this type, --- - not only verb….but also present
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(A) not onlywas to consider the prospects for the next 50 years of research in physics but alsoassessing the accuracy of the predictions made at the last meeting of this type, --- - not only verb….but also present
...
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