A. a B. an T Exercise 3: Circle the correct option in brackets. 1. Nobody lives on (a/ the) Moon. 2. We went to Tien Giang by (a/ ø) coach. 3. It is (a/ an) exciting trip. 4. He sometimes come (the/ ø) home late. C. the D. x 5. I will bring some food to (o/ the) party on Sunday. 6. There is (an/a) ornamental tree in my living room. 7. The Ban Flower Festival takes place in (the/ ø) March. 8. They have never been to (ø/ the) U.K. 9. Fansipan is (ø/ the) highest mountain in Viet Nam. 10. She gave me (o/ a) big birthday cake. Exercise 4: Write a or an in the blanks. 1. My daughter is 2. She has 3. I think he will be 4. They have left for 5. She wore 6. We will have 7. You should take 8. My uncle has architect. interesting comic book. good student. hour. pink dress at the party last night. party to wish our grandparents longevity. umbrella in case it rains. coffee plantation in Kon Tum.