3. I have learnt English for I was ten years old. B D A C 4. Yesterday evening while I was watching TV, Mai pays me a visit. A с D B 5. We went out for a walk after we had our dinner. A B с D 6. As soon as the next lecture will end. let's leave. A B C D 7. Mr. Ba had a daughter who were born in 1950, but died a few years later. A B C D 8. After they were playing cards, someone broke into the house. A B с D 9. A professor reported that he discovers a vaccine which could prevent bird flu. A B C D 10. When you will come to Da Lat next summer, I will take you round the city. A B C D