Exercise 1. Write a or an in the space: 1. _____ unreasonable decision 5. _____ X- ray 9. _____ elephant 2. _____ universal problem 6. _____ UFO. 10. _____ hospital 3. _____ unit of work. 7. _____ T shirt 11. _____ BBC programme 4. _____ honorable man. 8. _____ H-bomb 12. _____ UNESCO worker

2 câu trả lời

1. An  unreasonable decision

2. An universal problem

3. An unit of work.

4. honorable man.

5. A X- ray

6. An UFO

7. T shirt

8. A H-bomb

9. An elephant

10. A hospital

11. A BBC programme

12. A UNESCO worker

Cậu tham khảo nhé, ~~Thân ái~~

1.an

2an

3an

4a

5a

6an

7a

8a

9an

10a

12an