Construction of the new stadium was held for 4 years and on 21 August , 1974 were inaugurated .
The construction of the new stadium was held for 4 years and was inaugurated on 21 August 1974 .
The construction of the new stadium was held for 4 years and was inaugurated on 21 August 1974 .
この文を書き直してください: Construction of the new stadium was held for 4 years and on 21 August , 1974 were inaugurated . 出力: