3.
用a或an填空。
1. ____________ egg
4. ____________ apple
7. ____________ driver
10. ____________ orange
13. ____________ book
2. ____________ girl 5. ____________ elephant 8. ____________ ant 11. ____________ watermelon 14. ____________ umbrella | 3. ____________ hand 6. ____________ goose 9. ____________ dog 12. ____________ zebra 15. ____________ table
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