3. eight ________________
5. thirty ________________
7. twenty-two ________________
4. twelve ________________
6. sixteen ________________
8. ninety-nine ________________
1. first 2. fifth 3. eighth 4. twelfth 5. thirtieth 6. sixteenth 7. twenty-second 8. ninety-ninth
把下列基数词改为序数词. 1. one 3. eight 5. thirty相关攻略