3/ Điền “a/an/some/any” vào chỗ trống sao cho phù hợp. 1. Would you like ________ glass of lemonade? 2. There isn’t ________ butter in the fridge 3. My parents will not buy me ________ new computer. 4. Can I make ________ telephone call? 5. Will you lend her ________ money? 6. It takes me ________ hour to clean my house. 7. I haven’t made ________ new friends at my new school. 8. The house doesn’t have ________ furniture. 9. I will buy ________ bananas and ________ milk. 10. There is ________ university at the end of the road. 16. Is there ________ post office near here? 17 I want to drink ________ beer. 18. Are there ________ fruits left in the fridge. 19. ________ students in my class are foreingers. 20. I don’t have ________ information about hour.