1.
请在下列名词前加上不定冠词a或an。
1. ___________ apple
3. ___________ hour
5. ___________ principal
7. ___________ egg
9. ___________ umbrella
2. ___________ flower 4. ___________ university student 6. ___________ armchair 8. ___________ peach 10. ___________ policeman
| 2. ____________ cat 4. ____________ orange 6. ____________ hour 8. ____________ car 10. ____________ Uu 12. ____________ pupil
|