our country has five ___________years of history A thousand B thousands C thousand of Dthousands of
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ourcountryhasfive___________yearsofhistoryAthousandBthousandsCthousandofDthousandsofourcountryhasfiv
our country has five ___________years of history A thousand B thousands C thousand of Dthousands of
our country has five ___________years of history A thousand B thousands C thousand of Dthousands of
our country has five ___________years of history A thousand B thousands C thousand of Dthousands of
A表示数量级的词前面有具体数字时用单数（thousand,hundred,million,dozen)后面接of 时用复数
A
A thousand
A