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yugiohinmyheart
2 năm trước
Hãy trình bày phương pháp hóa học phân biệt các ống nghiệm đựng riêng biệt các khí etan ,etilen ,axetilen .Viết phương trình phản ứng hóa học xảy ra (nếu có)
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V. Write the pronouns to complete each sentence: 1. In Mexico, 17th January is a day …………………….people ask for protection for their animals. 2. The house ………………I lived as a child has been pulled down now. 3. Stop him. He’s the man ………………..stolen my wallet. 4. There are many people……………….lives have been spoiled by that factory. 5. Is that the button………………you preesed? 6. Could everybody……………..luggage has got lost please stay here? 7. The man ………………I saw last week said something totally different. 8. They have invented a television set………………is as small as a watch. 9. My grandmother, ……………….was an extraordinary woman, lived to the age of a hundred and fifteen. 10. I’m working on a firm………………..main office is in London. 11. The firm, ……………..employs five hundred people, makes video recoders. 12. My boss, ……work takes him to a lot of different countries, has decided he needs an assistant in London. That’s me. 13. I work mainly in the Finance Department, ………………….is the smallest department in the firm. 14. The work, ……………increases a lot when the boss is away, is always interesting. 15. Zedco, ……………..has ten thousand employees, is an international company. 16. Vicky, ………………name was missed off the list, was not pleased. Giúp mình với ạ

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