Finish the following sentences without changing the meaning of the sentences printed before them 1. It's weeks since I last went to the countryside. I haven't 2. Our school has never held a Christmas party before. It's 3. They began building the tunnel eighteen month ago. They have 4. When was the planet Pluto discovered? How long 5. He has never felt so embarrassed before. It's the 6. They raided the fridge as soon as their mother had left. They didn't 7. I've never met such an immature person. She's the 8. France hasn't won a gold medal in this sport for a long time. It's a 9. I started studying law two years ago. I have 10. How long ago did you realize the truth? How long is it 11. The doctor didn't start the operation until the anaesthetic had taken effect. The doctor waited 12. He realized his mistake when it was too late. He didn't 13. It's the most ridiculous suggestion I've ever heard! I've never 14. When did you last see Paule When was 15. After he had finished his homework, he went for a walk. Having Giúp em với ạ. Cảm ơn nhiều:>