翻译：Sineethepremiumvarieswiththescopeofinsuranee,extrapremiumisforbuyer'saeeount,shouldadditionalrisksbecovered.

Canyouofferusmachinetools___thefollowingspecification?

Johnsonwas________unknownbeforerunningforthepresidency.

Ihopethatitispossibletoachievethisobjectivebycallingonthesmokers________goodjudgmentandshowconcernforothersratherthanbyregulation.

TheultimategoaloflearningaforeignlanguageinaGrammar-Translationclassroomistoenablethestudentsto______itsliterature.