写出下列数词的序数词
1．one ________ 2．two ________ 3．three ________ 4．five ________
5．eight ________ 6．nine ________ 7．twelve ________8．nineteen ________
9．twenty _______10．thirty-six ________
1．first 2．second 3．third 4．fifth 5．eighth
6．ninth 7．twelfth 8．nineteenth 9．twentieth
10．thirty-sixth