一、写出下列单词对应的序数词的英文单词。
1. one
2. two
3. three
4. five
5. nine
6. twelve
7. eight
8. twenty

1. first 2. second 3. third 4. fifth
5. ninth 6. twelfth 7. eighth
8. twentieth

二、根据图片，写出下列日期的英文。
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.

1. December 3/3rd 2. July 4/4th
3. April 2/2nd 4. October 5/5th
5. September 1/1st
6. September 20/20th
7. June 30/30th 8. March 21/21st
9. October 26/26th 10. April 12/12th