序数词与基数词练习题写出下列词的序数词形式。1. one 2.two 3. six 4.five 5. nine 6.twelve7.eight 8.twenty-one 写出下列单词的基数词形式。1.third 2.fourth 3.tenth 4.twentieth 5.nineteenth6.thirty-first _根据句子意思填空。1. Childrens Day（儿童节） is on the of June（六月）.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 .选择填空。( )1. My cousins birthday in on the of October. A. three B. first C. the second( )2. What date is it today? Its of April. A. twelfth B. the 12th C. 12th( )3. There are days in a week. A. the seven B. seventh C. the seventh D. seven( )4.Sunday is the day of a week. A. one B. first C. second( )5. Twenty-eight minus(减)six is . A. the twenty- second B. twenty-two C. twenty- second( )6. Four plus(加) is twelve. A. seven B. eight C. nine( )7. Please turn to _. A. Page 11 B. the 11 st page C. page 11 D. page the 11 th( )8. At night we can see _ stars in the sky. A. thousands and thousands of B. thousand and thousands ofC. a thousand and thousands D. thousand and thousand( )9. There are some _ in our classroom. A. hundred of books B. the hundreds of books C. hundreds of books D. hundred of book( )10. I have been to the village _. A. a hundred time B. hundred times C. hundreds of times D. hundred of times( )11. There are _ students in our school. A. fourhundred and fortyfive B. four hundred and fortyfive C. four hundreds and fortyfive D. four hundred and forty five( )12. The teacher told me to go over _ lessons. A. thirst three B. the three first C. three the first D. the first three( )13. May is _ of a year. A. the fifth months B. the fifth month C. the five months D. the five month( )14. We live in _. A. the twenty-first century B. the century twenty-one C. century twenty-one D. the century twenty-firstII. Complete the sentences according to the numerals: (用past或 to的句型)1. What time is it ? (8:30) Its _. 2. What is it ? (9:15) Its _. 3.What time is it ? (7;45) Its _.