Bài 9: Điền “a/an” trước những danh từ sau: Book House Apple Cup Hour Sheet University Cigarette Year Telephone Aunt Computer Egg Fork Orange Bowl Bai 10: Điền “a/an” hoặc x vào chỗ trống sao cho thích hợp. 1. My mother need ____ information about the flights. 2. I’d like ___ apple and ___ grapefruit, please. 3. Are you afraid of ___ big dog? 4. We read ____ books all the morning. 5. Do you have ____ umbrella? 6. Did you drink ___ wine yesterday? 7. They’ve bought ___ very expensive car. 8. I had___ bread and ____cheese for breakfast. 9. Please bring me ___ glass of water. 10. My sister bought me ___ new dress. 11. I never have ____eggs for dinner. 12. I don’t like _¬¬¬¬¬______ coffee but I like ___ tea. 13. Tim doesn’t want to ask his mother for ____ money. 14. Do you want to add ____ sugar in your coffee? 115. There is ____ piece of cake in the fridge.