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Cho xoy và yoz là 2 góc kề bù gọi ot và ot' lần lượt là tia phân giác của góc xoy và góc yoz tính góc tot'
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1. You look tired. Are you __________the weather? A. on B. in C. under D. off 2. I showed the painting to an expert who__________ it at about £500. A. cost B. estimated C. assigned D. valued 3. He is very ill, and the doctors are not sure whether he will __________it through the night. A. last B. survive C. endure D. make 4. She __________ modern art. She visits all the local exhibitions. A. looks down on B. goes in for C. fixes up with D. comes up against 5. He did not share his secrets with many people, but he __________in her. A. confessed B. concealed C. consented D. confided 6. Of course I’ll play the piano at the party but I’m a little __________ A. out of use B. out of reach C. out of turn D. out of practice 7 This museum has more visitors than __________ any other in the world. A. really B. practically C. actually D. utterly 8. Her married name is Dawson, but Graham is her__________ name. A. maiden B. childish C. girlish D. virgin 9. The case for an increase in spending on education has been proved beyond the__________ of doubt. A. shadow B. hesitation C. suspicion D. shade 10. Her article on diet __________ many people into changing their eating habits. A. surprised B. amazed C. startled D. shocked 11. This cloth __________ very thin. A. feels B. touches C. holds D. handles 12. The upper levels of the Sun’s atmosphere are of very low __________ heats the gases there to be very high temperatures. A. dense and solar B. density, solar activity C. density, but solar activity D. density and activity of the Sun is 13. I don’t want to burden my daughter with my problems; she’s got too much __________ A. up her sleeve B. in her mind C. in effect D. on her plate 14. My English is progressing __________ A. leaps and bounds B. bounds and leaps C. odds and ends D. ends and odds 15. When John was arrested for drunken driving, he expected to lose his driving license, but he was __________with a fine. A. let through B. let off C. let out D. let down 16. She relies__________ on her parents for financial support. A. profusely B. amply C. heavily D. severely 17. It goes __________ saying that you’ll be paid for all this extra time you’re spending on the project. A. for B. like C. with D. without 18. Unfortunately, I might have to leave for Boston __________ A. for short notice B. under short notice C. at short notice D. to short notice 19. In spite of the fact that there is much written about Charlemagne, __________ A. his character and personality are hard to visualize B. is difficult to discover his character and personality C. picturing his personality and character are hard things D. you can’t figure out his personality and character 20. it’s all the same __________ me whether we go to Nha Trang or Vung Tau. A. for B. on C. to D. as

11. The traffic was very heavy. By the time I (get) __________to Mary's party, everyone already (arrive) __________ 12. I will graduate in June. I (see) __________ you in July. By the time I (see) __________ you, I (graduate) __________. 13. I (visit) __________ my uncle's home regularly when I (be) __________ a child. 14. That book (be) __________ on the table for weeks. You (not read) __________ it yet? 15. David (wash) __________ his hands. He just (repair) __________ the TV set. 16. You (be) __________here before? Yes, I (spend) __________ my holidays here last year. 17. We never (meet) __________ him. We don't know what he (look) __________ like. 18. The car (be) __________ ready for him by the time he (come) __________tomorrow. 19. On arriving at home I (find) __________that she just (leave) __________a few minutes before. 20. When we (arrive) __________ in London tonight, it probably (rain) __________.

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