Manyothernewtechniquesarenowavailablethatenablemoreresearch___(do)inthetesttubetoseeifchemicalsproduceharmfulbiologicaleffects.
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Inmyopinion,theyshoulddosomethingtorewardtheirmost_(produce)employees
Forthoseinvolved,thescandalhasbeenavery________(pain)experience
Thisscientistwasawardedwithseveraltitlesforhis________(accomplish)inbiology
I'dliketoremindyouthatthereisno_____onthepartofsuspectstoanswerquestions.
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