问题 填空题 请给“a”或“an”找到自己的家。1. __________ pen 3. __________ letter 5. __________ e-mail7. __________ paper9. __________ apple2. __________ envelope4. __________ shop 6. __________ computer 8. __________ orange 10. __________ stamp 答案 1. a 2. an 3. a 4. a 5. an 6. a 7. a 8. an 9. an 10. a
