写出序数词和简写形式：1：one【 】【 】2：two【 】【 】3：three【 】【 】4：four【 】【 】5：

1：one【 first 】【 1st 】2：two【 second 】【 2nd 】3：three【 third 】【 3rd 】4：four【fouth 】【 4th 】5：five【 fifth 】【 5th 】6：six【sixth 】【6th 】7：seven【seventh 】【7th 】8：eight【eighth 】【 8th 】9：nine【ninth 】【 9th 】 10：ten【 tenth 】【10th 】11：twelve【twelfth 】【12th 】12：twenty【twentieth 】【20th 】