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For more than a decade, experts from across the globe ________ on the cure of the disease that way.

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heavier    lower    lighter    more  
rather than    other than    except for    but for  
since she had sold her flat  for less than a decade  since she had been born  for more than ten years  
preferred;to being  preferred to;rather than   preferred;than being  preferred;to be  
has claimed    had claimed    claimed    claims  
regardless of    instead of    in place of    in charge of  

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