----- Nội dung ảnh ----- 1. When __________ to Ha Long? 2. A) have you joined 3. B) did you joined 4. C) did you join 5. D) have you ever joined 6. __________ in Vietnamese? 7. A) Did you ever worked 8. B) Have you ever worked 9. C) Worked you 10. D) Didn’t you have worked 11. I __________ hot food before. It is quite strange to me. 12. A) haven’t try 13. B) haven’t tried 14. C) don’t try 15. D) didn’t try
