问题
填空题
写出下列序数词的完整形式。
1. 2nd ___________________
2. 3rd ___________________
3. 4th ___________________
4. 5th ___________________
5. 6th ___________________
6. 7th ___________________
答案
1. second 2. third 3. fourth 4. fifth 5. sixth 6. seventh