Một tam giác có số đo ba góc lần lượt tỉ lệ với 3, 5, 7 . TÍNH Số đo các góc của tam giác đó.

Giải giúp mình với bài 5 và 6 nhé

Exercise 10: Choose the best answer to complete these following sentences. 1. Astronauts ................. in their spaceship, but they frequently work outside now. A. were used to stay B. used to stay C. were staying D. had used to stay 2. People ................. that the earth is round before. A. were not used to believe B. used to believing C. would not use to believe D. did not use to believe 3. Tuberculosis ................. incurable before. A. use to be thought B. used to be thought C. used to think D. use to think 4. Formerly babies ................. of whooping cough. A. have died B. used to die C. would die D. both B and C 5. These city girls are used ................. in the field. A. to work B. used to lie C. would like D. to working 6. Newton ................. scientific books when being a boy. A. used to read B. has read C. had read D. bad been reading 7. I am sorry I am not ................. fast. A. used to drive B. used to driving C. use to drive D. use to driving 8. Frank used to work in a small shop. He ................. A. doesn’t any more B. still does C. is now D. had never done anything else 9. I ................. in Jakarta. I’ve lived here all my life. A. am used to living B. used to living C. use to live D. am used to live 10. Jane ................. for the telephone company, but now she has a job at the post office. A. used to working B. used to work C. is used to working D. am used to work 11. This work doesn’t bother me. I ................. hard. I’ve worked hard all my life. A. used to working B. used to work C. am used to working D. am used to work 12. Dick ................. a moustache, but he doesn’t any more. He shaved it off because his wife didn’t like it. A. used to having B. is used to having C. was used to having D. used to have 13. When I was a child, I ................. anyone 40 was old. A. used to think B. was used to thinking C. used to thinking D. was used to think

xin mọi người hãy giúp mình nha 1 When Laura was at college, she ___________ a picture of Elvis Presley on her bedroom wall. A didn’t use to having B doesn't use to have C didn’t use to had D didn’t use to have 2 When I was young, I _____________ every day. A didn’t use to swim B did use to swim C didn’t use to swam D didn’t used to swim 3 ________________to work on a building site? A Did Nick use B Did Nick use to C Did Nick used D Did Nick used to 4 Lots of trains ____________ here, but not many do now. A use to stopping B used to stopped C used to stop D used to stopping 5 When I was a child, I ___________ of being an astronaut. A use to dream B used to dreaming C used to dream D used dream 6 He ____________ her, but he doesn’t anymore. A uses to like B used to like C used to liked D use to like 7 I ___________ at noon when I started school. A used to eat B use to eat C using to eat D used to eating 8 There ________ a bus station in the city centre but it is has been moved to the suburbs. A were B use to have C used to have D used to be 9 The end of the film was so ________. A moveable B moved C move D moving 10 She looked very ________ when I told her we had to change the plan. A to confused B confusing C confused D confuse 11 There did not _______ be many shops on this street before. A was used to B used to C is used to D use to 12 He ________ a packet a day but he stopped two years ago. A is used to smoke B used to smoke C uses to smoke D used to smoking 13 We are really ________ about going to the cinema tonight. A excited B interested C interesting D exciting 14 When I was at primary school, my father ________ me to school every day. A takes B is taking C used to take D to taking 15 To avoid traffic jams in the rush hour, I used to ________ the office early. A leaving B left C leaved D leave 16 John ________ for the telephone company, but now she has a job at the office. A used to working B am used to work C is used to working D used to work 17 Did you ________ to the cinema when you lived in London? A were used to going B used to go C were used to go D use to go 18 Did they ________cycle to work? A were used to B are used to C used to D use to 19 She ________ work for the foreign company. A used to B use to C using to D be used to 20 The road from my house to school ________ very bumpy. A is used to be B use to be C used to be D was used to be 21 My grandfather is used to ________ in the countryside. A lived B to lived C living D live 22 He________ hide-and-seek when he was young but now he doesn’t. A didn’t use to play B play C used to play D have played 23 I was absolutely ________ with the program on wildlife. A fascinates B fascinating C fascinated D fascinate 24 Tom ________ live in a cottage when he was 5. A didn’t used to B use to C did use to D used to 25 Did you ________ play football when you were at high school? A used to B use C use to D are used to 26 I ________ to the radio. A hasn’t use to B don’t use to listen C didn’t use to listen D didn’t used to listen

Giúp mình câu này với, cảm ơn nhiều ạ Cho 1,12 lít khí Clo (đktc) tác dụng hoàn toàn với dung dịch HI dư, khối lượng I2 tạo thành là?

Thống kê kết quả học sinh giỏi có 107 em đậu 3 môn hoặc 2 môn . Một học sinh đậu bao nhiêu môn thì được bấy nhiêu giấy khen.Tổng số giấy khen là 297 giấy .Tính số học sinh giỏi 2 môn và số học sinh giỏi 3 môn.

chữ số 6 trong số nào có giá trị 6/100 lớp 5

xác định và nêu tác dụng của câu rút gọn trong các trường hợp sau: tôi dạy từ canh tư .Còn tối đất ,cố đi mãi trên đá đàu sư , ra thầu đầu mũi đảo.Và ngồi đó rình mặt trời lên

Thề với mng là e cần gấp lắm.Em đăng lần 3 rồi nên ai đó giúp e đi mà Cho hàm số y=x^2 -2(m+1)x +4.Tìm m để y<0 với mọi x thuộc (1;2)

a) X: 2/5 =1 1/7 b) 8.75 x X+X x 1.25= 79