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be1611
2 năm trước
Làm sao để biết sản phẩm của một phản ứng hoá học?
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Các câu hỏi liên quan

Câu 1. Last year my son was lost among the crowd when we have gone shopping. A B C D Câu 2. The problem has turned out to be more serious than we will have thought. A B C D Câu 3. Almost 300 million people had visited America’s national parks every year. A B C D Câu 4. They have studied English before they went to London. A B C D Câu 5. They has got married for 30 years by the end of this month. A B C D Câu 6. They will help you whenever you will ask them. A B C D Câu 7. When Sam will arrive, he will open the gift. A B C D Câu 8. My father has ever told me honesty was the best policy. A B C D Câu 9. Did you say that you will have a lot of things to do the following week? A B C D Câu 10. When we arrived at the station, the train has already left. A B C D Câu 11. Did your doctor recommend you that you will stop smoking? A B C D Câu 12. Up to now, there had been no woman being chosen the US president. A B C D Câu 13. The neighbors are having a party. They are making so much noise since 6 o’clock. I can’t sleep. A B C D Câu 14. Don’t leave the house until I will get back. A B C D Câu 15. I was walking along the pavement when I realized that there has been a man following me. A B C D Câu 16. Human had struggled against weeds since the beginning of agriculture. A B C D Câu 17. Mary said that she do jogging every morning. A B C D Câu 18. At this time next week, Peter was working in London. A B C D Câu 19. Never I have seen such a good film before. A B C D Câu 20. Before the 1920s, no women will vote in the US. A B C D Câu 21. Some students have always complain that they do not have enough money to spend. A B C D Câu 22. The teacher got angry with him because he sometimes come to class late. A B C D Câu 23. The mother had always took good care of her little son. A B C D Câu 24. An American woman not always shake hands when she is introduced to a man. A B C D Câu 25. Peter has been written the composition for 3 hours and he has not finished yet. A B C D Câu 26. We were a few minute late so the film was already started when we got to the cinema. A B C D Câu 27. By the time the police come, the robber had run away. A B C D Câu 28. Why didn’t Peter go to school? What did happened to him? A B C D Câu 29. I was listening to the radio when the door bell will ring. A B C D Câu 30. I have learnt English for I was ten years old. A B C D

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