Beinga________(high)motivatedlauguagelearner,hetakeseveryopportunitytoimprovehisEnglish

Donotletthis__(say)ofyou.Itshowsanunattractiveindifferencetoyouremployerandtoyourjob.

I'dliketoremindyouthatthereisno_____onthepartofsuspectstoanswerquestions.

Manyothernewtechniquesarenowavailablethatenablemoreresearch___(do)inthetesttubetoseeifchemicalsproduceharmfulbiologicaleffects.

For those involved, the scandal has been a very________(pain)experience