----- Nội dung dịch tự động từ ảnh ----- 16. 17. They 18. How long 19. I 20. What 21. you already you (meet) him in 2009, so I (watch) the film E.T. yesterday? (leave) the train station (know) Jonathan? ago (happen) to Lucy last night? you (read) "Harry Potter" when you were on holidays? Exercise 3: Fill in the gaps with "yet, ago, ever, last night, for or since" 1. My father went to Italy five days 2. He has known her 2001. 3. Have you 4. She hasn't finished her work seen an elephant? (know) him for 3 years 5. He has lived in Madrid ten years. 6. We went to bed at 11 o'clock last night