is,are,has,have,havingTheaverageBritishfamily,which________smallerandricherthan50yearsago,________3.6members.
When________totellthedifferencebetweenBritishandAmericanEnglish,thelinguistmadealongand________speech.
AccordingtotheGrammar-TranslationMethod,Latingrammarwasconsideredtobethe______grammar.
Motivationandpersonalitymay________thevaryingdegreesofsuccessinone’scareer.