Thinkandwrite. 仿照例题填空。1. first—(1^st)2. second — ( )3. third— ( )4. fourth — ( )
5.fifth — ( )6. sixth —( ) 7.eighth — ( ) 8. twelfth — ( )2. 2^nd 3. 3^rd 4. 4^th 5. 5^th
6. 6^th 7. 8^th 8. 12^th