Giúp em trả lời mấy câu hỏi tiếng Anh này

Ai chỉ em cách làm bài tập tiếng anh này vs

1qaz1qegszdgvjbkgrqưdscjkđựzhfjncmn

3km48m = ....... km Giúp em với ạ

Giả sử có n x n ô vuông được tô tối đa k màu. Hỏi có bao nhiêu khả năng tô màu? Nếu đặt hàm f(n,k) thì f(n,k) chính là số dư của khả năng tô màu cần tìm chia cho 10^9 + 7. Ví dụ f(1,17)=17, f(17,1)=1, f(2,2)=6, f(2,3)=24, f(3,2)=140. Bạn nào có thể tìm được cách tính của hàm f(n,k) giúp mình với.

Câu 3. Xác định kiểu hành động nổi của các câu văn đánh số sau đây, chỉ ra kiểu câu, cách thực hiện hành động nổi của những câu đó? "Tôi hỏi một câu ngó ngầm: - (1) Sao? (2) Sao? Choắt không dậy được nữa nằm thoi thóp. Thấy thế, tôi hốt hoảng quỹ xuống, nâng đầu Choặt lên mà than rằng: - (3) Nào tôi đâu biết cơ sự lại ra nông nỗi này! (4) Tôi hối lắm! (5) Tôi hồi hận lãm! (6) Anh mà chết là chỉ tại cải tội ngông cuồng dại dội của tôi. (7) Tôi biết làm thế nào bây giờ Tôi không ngờ Dế Choắt lại nói với tôi một câu thế này: - (8) Tôi ốm yếu quá rồi, chết cũng được. (9) Nhưng trước khi nhắm mắt, tôi khuyên anh: Ở đời mà có thói hung hãng bậy bạ, có ác mà không biết nghĩ, sớm muộn rồi cũng mang va vào mình đẩy Giúp mình với hứa vote 5*, trước 20h nha

Giải giúp mình nha các bạn. CẢM ƠN CÁC BẠN RẤT NHIỀU Ạ

28. ...................... football is my hobby. A. Playing B. Play C. Played D. To play 29. We should read different kinds of books ...................... our general knowledge. A. to wide B. widen C. widened D. widening 30. It’s not good to avoid ...................... the teacher’s questions in class. A. answer B. answering C. answered D. to answer 31. Students are interested in ...................... a party tomorrow. A. to have B. have C. having D. had 32. ..................... the exams, students have to learn hard. A. To pass B. Passed C. Pass D. Passing 33. The girl denied ..................... the news. A. tell B. told C. to tell D. telling 34. I can’t bear people ..................... at me. A. shout B. shouting C. shouted D. to shout 35. Would you like ..................... your holiday with my family in Brazil? A. spend B. to spend C. spending D. spent 36. My father is very keen ..................... classical music. A. to listen B. listen to C. on listening to D. on listening 37. I remember ..................... next door to you when I was in Australia. A. to live B. living C. live D. have lived 38. My sister is good at ..................... tennis. A. play B. playing C. to play D. staying 39. Do you hope ..................... your father again this weekend? A. meet B. meeting C. met D. to meet 40. Never let children ..................... alone in the street. A. play B. to play C. playing D. played 41. Have you promised ..................... with me ? A. to go B. going C. went D. gone 42. I am bored with ..................... computer games now. A. playing B. to play C. played D. plays 43. Susan is looking for something ……………………………… A. eating B. eat C. to eat D. to eating 44. My parents are interested in ……………………………… football matches on TV. A. watch B. watching C. to watch D. watched 45. She used ………………………………as a typist. A. to working B. work C. working D. to work 46. ………………………………stamps is my hobby. A. Collecting B. Collect C. Collected D. To collect 47. I remember ………………………………you about this before. A. tell B. to tell C. telling D. told 48. He let the letter ……………………………… onto the floor. A. fall B. falls C. falling D. fell 49. I can’t stand ……………………… on underground when it is busy. A. travel B. travelling C. to travel D. to travelling 50. She hates ……………………… housework at weekends. A. doing B. do C. to be done D. being done 51. I had a headache, and the doctor asked me ……………………… some aspirin. A. took B. to taken C. take D. to take 52. She is keen on ……………………… with a doll. A. plays B. to play C. play D. playing 53. Every day I spend two hours ……………………… English . A. practise B. to practise C. practising D. practised 54. I don’t mind ……………………… if you are tired. A. driving B. to be driven C. to drive D. drive

1. I have difficulty ............... and ................... English. A. speaking – writing B. speak – writing C. to speak – to write D. speak - write 2. They offered ...................... her but she refused. A. to help B. helping C. help D. being helped 3. I don’t mind ...................... you ...................... the washing up. A. help – do B. helping – doing C. helping – do D. to help- to do 4. I’d like ...................... when I am sixty years old. A. to rest B. to stop C. to retire D. to relax 5. We hope the students themselves will enjoy taking ...................... in outdoor activities. A. part B. note C. notice D. advantage 6. The children are looking forward to ...................... on holiday. A. go B. going C. be going D. have gone 7. You must try not to ...................... so many mistakes again. A. make B. do C. say D. tell 8. Her advice made him ...................... his mind. A. change B. to change C. changing D. changed 9. Ms. Lan enjoys ...................... because she loves working with children. A. to teach B. to be taught C. teaching D. teach 10. My father doesn’t allow me ...................... in his room. A. to smoke B. smoking C. smoke D. not smoke 11. It’s very ...................... me with money. A. kind for you to help B. kind to you helping C. kind of you helping D. kind of you to help 12. It’s better to avoid ...................... during the rush hour. A. travelling B. to travel C. travel D. travelled 13. It was a nice day, so we decided ...................... for a walk. A. to have B. to go C. going D. having 14. Would you ...................... looking after my children for a while? A. mind B. agree C. stand D. care 15. Students should be encouraged ...................... questions in class. A. raise B. raising C. to raise D. being raised 16. It is compulsory for students in schools ...................... uniforms. A. to wear B. wear C. wearing D. worn 17. This classroom needs ...................... . It’s very dirty. A. clean B. cleaning C. to clean D. cleaned 18. At school, students usually take part in ...................... money for charity. A. raised B. to raise C. raising D. raise 19. May I ...................... in? A. to come B. coming C. came D. come 20. Let’s ...................... for a walk. A. go B. to go C. going D. went 21. Do you enjoy ...................... cartoon? A. watching B. to watch C. watch D. watched 22. They want ...................... by air because it is much faster than other means of transfort. A. travel B. travelling C. travelled D. to travel 23. Why don’t you consider ......................... me? I really look forward to ...................... you. A. visiting – seeing B. to visit – to see C. to be visited – saw D. visit – see 24. It’s impolite ...................... people about their salary. A. asked B. to ask C. asking D. ask 25. Don’t ...................... in class, students! A. talking B. to talk C. talk D. talked 26. Who ...................... you English? A. do teach B. teaches C. teach D. does teach

Câu 15: Dãy nào sau đây gồm các chất đều thuộc loại Bazơ? A. Mg(OH)2, KOH, Fe(OH)2. B. HCl, NaCl, BaCl2. C. KCl, Ba(OH)2, Fe(OH)2. D. HCl, H2SO4, NaNO3.