Cho hai góc kề bù xOy và yOz và biết rằng: 4xOy=5yOz. Tính số đo các góc xOy và yOz

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I. Use a relative pronoun or relative adverb to combine each pair of sentences : 17. Vicky didn’t get the job. It’s made her very depressed.  ……………………………………………………………………………………………… 18. My uncle usually goes to work by bus. You met him at the bus stop this morning.  ……………………………………………………………………………………………… 19. That car belongs to Dr. Clark. Its engine is very good.  ……………………………………………………………………………………………… 20. He gave several reasons. Only a few of them were valid.  ……………………………………………………………………………………………… 21. Charlie Chaplin died in 1977. His films amused millions of people in the world.  ……………………………………………………………………………………………… 22. The taxi driver is friendly. He took me to the airport.  ……………………………………………………………………………………………… 23. I ran into a woman. I had gone to elementary school with her.  ……………………………………………………………………………………………… 24. The house is empty now. I used to live there.  ……………………………………………………………………………………………… 25. Do you remember the year ? The First World War ended in that year.  ……………………………………………………………………………………………… 26. A girl was injured in the accident. She is now in hospital.  ……………………………………………………………………………………………… 27. Mrs. Bond is going to spends a few weeks in Sweden. Her daughter lives in that country.  ……………………………………………………………………………………………… 28. We stayed at the Grand Hotel. Ann recommended it to us.  ……………………………………………………………………………………………… 29. My sister was looking after a dog. Its leg had been broken in an accident.  ……………………………………………………………………………………………… 30. The street I live in is very noisy at night. This makes it difficult to sleep.  ………………………………………………………………………………………………