CÂU GIỐNG TRƯỚC ĐÓ MÀ KHÔNG CÓ AI TRẢ LỜI VÀ BỊ TRÔI RỒI OK? Chứng minh tỉ số của 2 đường cao của hai tam giác đồng dạng thì bằng tỉ số đồng dạng. Từ đó chứng minh tỉ số diện tích của hai tam giác đồng dạng thì bằng bình phương tỉ số đồng dạng. Làm chi tiết từng bước

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1. When I was a child, I used _________ (dream) of being an astronaut. 2. I'm terribly nervous. I'm not used ___________ (speak) to a large audience. 3. It took us ages to get used _________ (live) in an apartment house. 4. Lots of trains used ___________ (stop) here, but not many do now. 5. Didn't Nick use _________ (work) on a building site? 6. I'll have an orange juice, please. I'm not used ___________ (drink) alcohol. 7. David doesn't seem to mind being in hospital. I suppose he's got used _________ (be) there. 8. When Laura was at college, she used ____________ (have) a picture of Elvis Presley on her bedroom wall. 9. There used __________ (be) a cinema here but it was knocked down a few years ago. 10. When she arrived in Britain, she wasn't used __________ (drive) on the left, but she soon got used to it. 11, I was used to_____(eat) at noon when I started school. 12, He used to_____(eat) dinner at five o'clock. 13, When I was young, I used to___(swim) everyday. 14, He used to_____(like) her, but he doesn't anymore. 15, Don't worry, some day you will get used to_____(speak) English. 16, Lan can't get used to____(study) 17, He used to___(dance) every night, but now he studies. 18, Adam is used to____(sleep) late on the weekends. 19, Chieks is used to____(eat) American food now. 20, She finally got used to___(eat) our food. 21. When I was a child, I used _________ (dream) of being an astronaut. 22. I'm terribly nervous. I'm not used ___________ (speak) to a large audience. 23. It took us ages to get used _________ (live) in an apartment house. 24. Lots of trains used ___________ (stop) here, but not many do now. 25. Didn't Nick use _________ (work) on a building site? 26. I'll have an orange juice, please. I'm not used ___________ (drink) alcohol. 27. David doesn't seem to mind being in hospital. I suppose he's got used _________ (be) there. 28. When Laura was at college, she used ____________ (have) a picture of Elvis Presley on her bedroom wall. 29. There used __________ (be) a cinema here but it was knocked down a few years ago. 30. When she arrived in Britain, she wasn't used __________ (drive) on the left, but she soon got used to it.