Giúp mình với ạ 😢 Change into active 1. Somebody cleans this room every day. 2. Dangerous driving causes many accidents. 3. I don't often get invited to parties. 4. How many people are injured in road accidents every day? 5. By whom was this house built? 6. This room was cleaned yesterday. 7. During the night, we were all woken up by a loud explosion. 8. When was that castle built? 9. The house wasn't damaged in the storm but a tree was blown down. 10. The room is being cleaned at the moment. 11. Look at those old houses! They are being knocked down. 12. Are you being served madam? 13. The room was being cleaned when I arrived. 14. I heard footsteps behind me. We were being followed. 15. The room looks nice. It has been cleaned. 16. Have you heard the news? The president has been shot. 17. Have you ever been bitten by a dog? 18. I'm not going to the party. I haven't been invited. 19. The room looked much better. It had been cleaned. 20. Jim didn't know about the change of plans. He hadn't been told. 21. The windows should have been cleaned yesterday. 22.The football match shouldn't have been played in such bad weather. 23. Well. It's working again so. It might have been repaired. 24. This is a very popular television program . Every week, it is watched by millions of people. 25. She is liked by everybody. 26. Most of the cars produced in this factory were exported. 27. About 20 people were arrested by the police.

giải rõ ra mình mơi vote 5 sao á

magnitude (31)_______ followed by a tsunami hit the east coast of Japan in March 11, 2011. With an underwater depth of 29 km, this was the largest earthquake to ever (32)_______ Japan in recorded history. Documented as the 4th most powerful earthquake in the world, it was (33)_________ for the death of 15,894 people with 6,152 injured and 2,562 people (34)________ . It also affected 20 prefectures, with over 127,000 buildings (35)________ destroyed and over 272,000 buildings “half collapsed”. The earthquake also caused a near nuclear (36)___________ when there was a partial meltdown in 3 (37)__________ of the Fukushima Daiichi nuclear power plant, (38)____ is the 2nd largest nuclear disaster after Chernobyl. 31. a. hurricane b. earthquake c. typhoon d. cyclone 32. a. occur b. shake c. strike d. destroy 33. a. resulted b. sensible c. reliable d. responsible 34. a. missing b. crossing c. passing d. including 35. a. strongly b. fully c. completely d. frequently 36. a. energy b. disaster c. weapon d. waste 37. a. contributors b. controllers c. stationers d. reactors 38. a. which b. that c. where d. it

Không khí ở 30 độ C có độ ẩm tuyệt đối là $21,53g/m^3$.Hãy xác định độ ẩm tỉ đối của không khí ở 30 độ C.

Ban nao giup minh lam bai nay nhe

Choose the sentence (a, b, c or d) that is almost the same in meaning as the sentence given. 44. You would like London if you visited it. a. You’re unlikely to visit London. b. You’ve never visited London, c. You’re going to visit London soon. d. You’ve already visited London. 45. Unlike his sister, Bob exercises every day. a. Bob and his sister exercise every day. b. Bob exercises every day, but his sister doesn’t. c. Bob’s sister exercises every day, but he doesn’t. d. Bob’s sister doesn’t exercise every day, and neither does he. 46. The bread was so stale to eat. a. It was stale ‘to eat the bread b. We cannot eat the bread because it was “burn. c. Eating the bread was stale. d. The bread was not fresh enough to eat. 47. Who will take care of the children when you are away? Who will look_____________________________________________________ 48. John could not find the way to the hotel. John was not_____________________________________________________ 49. The door was so heavy that the child could not push it open. The door was too__________________________________________________ 50. It’s ages since we met Lopez. We______________________________________________________________

vẽ sư tử nữ nếu ai bit truyện lớp học mật ngữ thì vẽ sư tử trong đó ngoài lề: thực hiện yêu cầu sau: 1.ai bit truyện lớp học mật ngữ đã có tập 18 chưa ko? 2.mua ở đâu có tất cả các tập lớp học mật ngữ 3.cho xin địa điểm mua

Cho hỗn hợp X gồm 2 este của 2 axit kế tiếp nhau trong dãy đồng đẳng là $R_1COOR$ và $R_2COOR$.Đốt cháy hoàn toàn 20,1g hỗn hợp X cần 146,16 lít không khí ở đktc(20% $O_2$ và 80% về thể tích),sản phẩm cháy thu được cho lần lượt qua 1 bình đựng $H_2SO_4$ đặc;bình 2 đựng dd $Ca(OH)_2$ dư.Sau thí nghiệm khối lượng bình 1 tăng m gam và bình 2 tăng 46,2 gam 1)Tính m 2)Tìm công thức của 2 este 3)Tính % về khối lượng của este trong X 4)Tính khối lượng mỗi muối sau phản ứng xà phòng hóa

Choose the underlined word or phrase (A, B, C or D) that needs correcting. 21. She cried (A) very hardly (B) when she heard (C) the news of (D) the accident. 22. It has been (A) a (B) long time when (C) I last wrote to (D) you. 23. The food that (A) my mother is cooking (B) in the kitchen is smelling (C) delicious (D). 24. We found some (A) garden furnitures (B) in that (C) old house we bought (D). 25. I know little (A) English, so (B) I’ll have this letter to translate (C) into (D) Vietnamese ____________________________________________________________________________________________ Use the correct form of the word given in each sentence. 26. The heating switches off _____________ . (automatic) 27. Malaysia has____________ climate, (tropic) 28. You should do what the_______________ told if you want to pass the driving test, (instruct) 29. He is a tourist guide so we all take his__________________ . (guide) 30. Your exam results are rather___________ . I expect you to do better, (disappoint) ____________________________________________________________________________________________

Cho `x/3 = y/4` và `y/5 = z/6` Tính `M = (2x + 3y + 4z)/(3x + 4y + 5z)`