第一到第20的英语怎么说（第一到第20英文）

one— first two— second three— third four-fourth five— fifth six— sixth seven— seventh eight—eighth nine—ninth ten— tenth eleven— eleventh twelve— twelfththirteen 十三 fourteen 十四 fifteen 十五 sixteen 十六 seventeen 十七 eighteen 十八 nineteen 十九 twentieth。