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KOcon1ai23
2 năm trước
Cho (O; R), dây BC cố định không đi qua tâm O, A là điểm bất kì trên cung lớn BC. Ba đường cao AD, BE, CF của tam giác ABC cắt nhau tại H. a) Chứng minh tứ giác HDBF, BCEF nội tiếp b) K là điểm đối xứng của A qua O. Chứng minh HK đi qua trung điểm của BC c) Gỉa sử ∠BAC = 60o. Chứng minh Δ AHO cân
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I. Correct the verb form 1. He says he (come) __________________ here soon 2. He always (eat) _____________ a sandwich for breakfast 3. Why _________ you (leave) _________ the party early last night? 4. John and Mary (talk) _______________ on the phone now 5. My sister never (drink) _____________ coffee 6. He thinks he (be) ________________ rich someday 7. She (meet) ______________ her old friends tonight 8. The Robinsons (come) _____________ to Ha Noi in 2007 9. Tim (try) __________________ to improve his bad habits now 10. John and Susan (get) _____________________ married last year 11. I (see) _____________ in front of the bookstore last morning 12. He (study) _________________ about 2 hours every night 13. He (be) __________________ here five minutes ago 14. Look! the teacher (look) __________________ at you 15. I (visit) _________________ my grandfather yesterday 16. Hoa always (help) ___________ her parents doing the housework in her free time 17. Hoa (have) _____________________ breakfast with her parents now 18. You (have) ________________ a lot of new friends soon 19. English (be) _______________ the most popular language in the world 20. There (be) ________________ an interesting movie on TV last night 21. Bell (invent) __________________ the telephone in 1876 22. He (not eat) _________________________ anything every evening. 23. My mother (buy) ___________________ new clothes for Tet holiday next week 24. Listen! He (talk) _______________________ about you. 25. Yesterday, she (come) ____________________ to my house. 26. My mother __________________ a sick note for me yesterday. (write) 27. She never (stay) _______________ up late at night. 28. My mother (plant) _______________ flowers in the garden last Sunday. 29. Mozart (play) _______________ the piano when he (be) ______________ three. 30. I (brush) ____________ my teeth every night, but last night I (forget)______________ to brush them. 31. She needs (eat) _______________ a lot of vegetables and fruit. 32. He (not come) _______________ to the meeting last week. 33. My father never (take) _______________ medicine. 34. There (be) __________ nobody there when I (arrive) ______________ yesterday. 35. She never (stay) ____________ up late at night 36. Water (consist) ____ ___________ hydrogen and oxygen 37. They (live) ______ ________ in Hue 3 years ago 38. Please be quiet! I (try) _________________ to concentrate the lesson. 39. Hoa (invite) ____________ a lot of friends to her birthday party next week 40. Lan and I (see) ______________________ a movie tonight 41. They (buy) _________________ their house in 2005 42. He (go) ___________to school every day by bike, but yesterday he (go) ___________to school by bus 43. Minh usually (play) ______________ football after school 44. She (brush) ___________ her teeth every night, but last night she (forget)__________ to brush them 45. My mother (plant) _______________ flowers in the garden at the moment 46. Our class (have) _____________ a new English teacher next semester 47. My baby (sleep) _______________ at the moment 48. Tomorrow, my family (go) ______________ camping at Dam Sen park 49. It (rain) ___________________ heavily last night 50. He (need) ______________ a pen right now

31.Hue lives ..... her aunt and uncle ..... Dalat. a, At / in b. with / at c. with / in d. at / at 32. Phuong ..... many new friends in his new school. a. don’t have b. don’t has c. doesn’t has d. doesn’t have 33. Would you like .... a cartoon with us tonight? a. to watch b. watch c. watching d. watches 34. Lien learns to play ..... piano in her free time. a. a b. the c. an d. 0 35. Let .......... stay at home and watch TV a. we b. our c. us d. ours 36. Look! Some boys and girls ....... in the school yard. a. chat b. are chatting c. chatting d. chats 1.His idea is quite different_______mine. a.with b.of c .on d .from 37.Students usually have a____each year. a. 3-months vacation b. 3-month vacations c. 3- month vacation d. 3- months vacations 38.Would you like_____ to music? a.listening b. listen c. to listen d. listens 39.In _____, We do some experiments. a.Math b. History c. Chemistry d. English 40.Nga is____a play for the school anniversary celebration. a.making b.doing c. rehearsing d. practicing 41.Lan’s grades are poor. She ____study harder a.can b.should c.maybe d.will 42.Does Nam play soccer_____recess ? a.in b.on c. at d. with 43.Look ! They_________baseball. a.to play b.play c .are playing d.plays 44.Hoa ’s new school is....... than her old school. a. big b . bigger c.the biggest. d.the bigger 45. ............beautiful girl. a. what a b. what c. how d. which 46.would you like to drink .......... tea? a. much b. any c. many d. some 47. we..........a test next week. a. are going to have b. is going to have c . am going to have. 48. which grade are you......? a. at b. on c. in. d.from 49. Hung is........... student in his class. a. taller b. tallest c. the tallest. d. the taller 50. She ____________ thin and tall. a. am b. is c . are d. be 51. Let’s ____________ to the park. a. go b. going c. goes d. to go 52. Nhung often goes fishing in ____________ free time. a. her b. my c. your d. his 53. They are going ____________ Halong Bay in this summer vacation. a. visit b. visiting c. to visit d. visited 54. There are ____________ apples in the bowl. a. an b. some c. any d. a 55. Nam is ____________ boy in my class. a. the taller b. the tallest c. tallest d. taller 56. ____________ is the Great Wall? It’s between 5 and 13 meters high. a. How long b. How far c. How high d. How much 57. There isn’t ____________ water in the bottle. a. much b. any c. many d. some 58. I’m going to stay ____________ my uncle about 3 weeks. a. with b. to c. at d. on 59. It’s ____________ in the winter. a. cold b. hot c. warm d. hotter d. the hottest 60. What about ___________football this afternoon? a. play b. playing c. to play. d. to playing 61. would you like tea .................coffee? a. much b. and c. many d. or 62. Tom is watching TV now. So........ a. does Mary b. Mary is c. is Mary d. Mary does 63. Who is Mrs Lien .................? a. talking b. talking to c. talk d. talk 64. Don’t be late ..............your music lesson. a. on b. for c. at d. to 65. ............a nice day ! a. Make b. Spend c. Pass d. Have 66. At present, her group .................a new play. a.to act b. is acting c. acts d.to acting 67. What are we doing for the school anniversary .......................? a. organization b. arrangement c. celebration d. occupation 68. Hoa likes acting. She is a(an) ..............of the school theater group. a. person b. player c. actor d. member 69. We always need more players. Why don’t you come ................? a. on b. along c. with d. in 70. What is he doing over there? – He’s looking .............his new paintings. a. for b. at c. after d. with 71. He ..............plays games. a. does never b. doesn’t never c. never d. never doesn’t 72. They don’t have enough time .................the whole game. a. to play b. for play c. playing d. play 73. Look at the girls ! What game .......................? a. they play b. do they play c. they are playing d. are they playing 74. They say he has ..............money a. plenty b. lots c. many d. a lot of 75. Mai is very ....................in computers. a. interest b. interesting c. interested d. interestedly. 76.Nam’s sister can play ...............guitar. a. a b. an c. 0 d.the 77.Tuan always walks the dog and ............... . a. Nam is ,too b. is Nam ,too c.So does Nam d. a & c are correct 78.The doctor usually takes care..........the sick. a.in b. of c.from d. for 79.I have ..........days off than her. a.the little b. littler c.less d.much 80.She ..................feed the chicken right now a. will b.d oes c.be d. is

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