WhenBeethovenwasfour的精选

问题详情：根据短文内容和首字母提示，填写所缺单词，每空一词。   WhenBeethovenwasfour,hisfatherdecidedtomakeamusicianofhim.Beethovenwasmadetopractisep__1__differentmusicalinstrumentshourafterhour.Wheneverh...