Tính lượng khí oxi cần dùng để đốt cháy hết 62 gam photpho và 1,6 gam lưu huỳnh

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1. Manh (read) the newspaper if he went by train. Bài 2: Viết lại câu sao cho nghĩa không đổi 1. He wrote the letter in two hours.  It took 2. I was very interested in our conversation.  It was interesting 3. I haven’t been to the dentist’s for two years.  It’s 4. I spent seven years at secondary school and then I went to university.  After 5. It’s my opinion that you should take more exersise.  If I 6. It’s thought that the accident was caused by human error.  The accident is 7. The questions are so easy that everyone can answer them.  They’re such 8. The boy will receive some money to continue his study. His parents died in a traffic accident  The boy whose 9. They are producing motorbikes in Vietnam.  Motorbikes are 10. If you do not try hard, you can’t pass the examination.  Unless 11. He went to London. He had lived there when he was a boy.  He went to London where 12. Although she said that she would come, I don’t think she ever will.  Despite 13. My father used to play football when he was young.  My father doesn’t 14. Jane gave me a present on my last birthday.  I was 15. We got lost in the jungle because we didn’t have a map.  If we had 16. I last saw Bob when I was in Ho Chi Minh City.  I haven’t seen 17. It is a three-hour drive from Hanoi to Nam Dinh.  It takes 18. When did you first know him?  How 19. It may rain hard this afternoon, so take the rain coat with you.  In case 20. If you don’t rest yourself you really will be ill  Unless 21. How tall is Peter’s father?  What giúp với cần gấp