(完整版)不定冠词a和an的用法习题不定冠词a和an 的用法练习1. He is_ugly man.2. I have _orange.3. There is _elephant in the zoo.4. You are _good student.5. Please take _umbrella。6. I am _student。7. This is _new book.8. I have _useful book。9. He teaches math in_university.10. I bought _MP3 yesterday.11. He is _honest boy。12. I got_ X-ray (x射线透视)。13. My father bought me _iphone 5。14. There is_“ uin the word “hour”,there is_“h.15. Yao ming is _NBA basketball player.16. Tom had _unusual experience.17. This is_egg.18. I spent _hour doing my homework。