问题
选择题
| 选择下列单词中不同类的一项，将序号写在题前括号里。 |
| ( ) 1. A. one ( ) 2. A. ninth ( ) 3. A. May ( ) 4. A. number ( ) 5. A. 21st | B. fourth B. nine B. March B. eleven B. 30th | C. fifth C. tenth C. Monday C. thirteen C. thirty |
答案
答案：C