Question

【题目】将下列基数词变为序数词。

【1】twenty-one _______

【2】twenty-two _______

【3】twenty-three _______

【4】thirty _______

【5】thirty-one _______

Answer 1

【答案】

【1】twenty-first

【2】twenty-second

【3】twenty-third

【4】thirtieth

【5】thirty-first

【解析】

【1】twenty-one的序数词是twenty-first，故答案为twenty-first。

【2】twenty-two的序数词是twenty-second，故答案为twenty-second。

【3】twenty-three的序数词是twenty-third，故答案为twenty-third。

【4】thirty的序数词是thirtieth，故答案为thirtieth。

【5】thirty-one的序数词是thirty-first，故答案为thirty-first。