序数词 ( )1. My cousin’s birthday inon the of October. A. three B. first C. the second ( )2. What date is it today? It’s 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. Twenty-eight minus(减)six is . A. the twenty- second B. twenty-two C. twenty- second ( )5. Four plus(加) is twelve. A. seven B. eight C. nine 本文来源：https://www.wddqw.com/doc/727a232e4b7302768e9951e79b89680203d86be1.html