Johnsonwas________unknownbeforerunningforthepresidency.
Theprofessorworkedfor7hoursata________.
“MylastDuchess”isapoemthatbestexemplifiesRobertBrowning’s().
“Thedignityofmovementofanicebergisduetoonlyone-eighthofitbeingabovewater.”This“iceberg”analogyisputforwardby().
CollinsCOBUILDEnglishLanguageDictionary(1987)hassomeuniquefeaturessuchasdefinition,extracolumnand______.