基数词和序数词的练习题一、:写出下列词的序数词1. one 2.two 3. six 4.five 5. nine 6.twelve 7.eight 8.twenty-one 二、写出下列单词的基数词1.third 2.fourth 3.tenth 4.twentieth 5.nineteenth6.thirty-first _三、根据句子意思填空。1. Childrens Day(儿童节) is on June(六月)the .2. There are months(月)in a year(年).3. Teachers Day(教师节) is on the of September(九月).4. Three plus(加) six is .四、选择填空。