Thefarmingmethodshavebeen________improvedwiththeinventionofthenewmachine.
Inthe1960spopmusicunderwentarevolutionwhen________becameworldfamousandturnedtheirhometownofLiverpoolintoaplaceofpilgrimage.
Duringthe1990smanyAustralianscalledfortheirnationtobecomearepublicwith________.
翻译：IbelieveChineseeconomicauthoritiesrecognizetheproblemandthenextFive-YearPlanwilladdressiteffectively.
句子写作：Thepianoplayerbegantosingloudly.
