Chuyển sang câu bị động 1. They take good care of books. 2. Has Nam finished his homework? 3. Where did you keep your money? 4. Who do you send these Christmas cards? 5. Might they have held the meeting? 6. Do the shop assistants hand the boxes to the customers?

Giải phương trình: $\sqrt[4]{1-x}$ +$\sqrt[4]{2-x}$ =$\sqrt[4]{3-2x}$

IX/ Rewrite sentences, using IF 1. Study hard and you will pass this year's exam.  ............ ................................................................................................................................................................. 2. The weather isn’t fine so we don’t go on a picnic.  ............ ................................................................................................................................................................. 3. The weather wasn’t fine so we didn’t go on a picnic.  ............ ................................................................................................................................................................. 4. The weather wasn’t fine so we stay home.  ............ ................................................................................................................................................................. 5. I don’t go to Paris, I can’t visit the Eiffel Tower.  ............ ................................................................................................................................................................. 6. I do not go because they don't invite me.  ............ ................................................................................................................................................................. 7. I don’t study hard so I often get bad result.  ............ ................................................................................................................................................................. 8. I didn’t study hard so I get bad result.  ............ ................................................................................................................................................................. 9. I didn’t go to Paris, I couldn’t visit the Eiffel Tower.  ............ ................................................................................................................................................................. 10. I did not go because they didn't invite me.  ............ ................................................................................................................................................................. 11. He sends the information we need because he gets my email.  ............ ................................................................................................................................................................. 12. He sent the information we need because he got my email.  ............ ................................................................................................................................................................. 13. He sends the information we need because he got my email.  ............ .................................................................................................................................................................

6) (-2)x + 167 = 89 7) (- 2) . x - 46 = 68 8)3|x+4|=27 9) x + 140 = 74 10) 3x + 140 = 74 11) (- 3) . x - 58 = 32 12)4 |x+3|=28 13) x + 150 = 94

VIII/ Change these active sentences to passive. cái gì được làm (bằng dụng cụ gì), ở đâu, bởi ai, khi nào. 1. Mai’s grandfather is building a house now.  .............................................................................................................................................................................. 2. They were planning a new road near my house.  .............................................................................................................................................................................. 3. The man had cleaned the walls.  .............................................................................................................................................................................. 4. John is going to tell you the news when you arrive home.  .............................................................................................................................................................................. 5. I will have to clean all the windows after the storm.  .............................................................................................................................................................................. 6. I will have cleaned all the windows.  .............................................................................................................................................................................. 7. The army completed that project.  .............................................................................................................................................................................. 8. They take good care of books.  .............................................................................................................................................................................. 9. Do the shop assistants hand the boxes to the customers?  .............................................................................................................................................................................. 10. Does the committee appoint Alice as secretary for the meeting?  .............................................................................................................................................................................. 11. Did Mary give Tom a lot of money?  .............................................................................................................................................................................. 12. Was someone painting her house at 7p.m yesterday?  .............................................................................................................................................................................. 13. Is he buying a lot of books from bookstores?  .............................................................................................................................................................................. 14. Might they have held the meeting?  .............................................................................................................................................................................. 15. Will the army have to finish that project?  .............................................................................................................................................................................. 16. Must they have taken good care of books?  .............................................................................................................................................................................. 17. Has Nam finished his homework?  .............................................................................................................................................................................. 18. Where did you keep your money?  .............................................................................................................................................................................. 19. Who do you send these Christmas cards?  ..............................................................................................................................................................................

mong mọi người giúp e với 2a*4+ 1/1+a*2 > 3a*2 -1

VII/ Passive voice with negative form cái gì được làm (bằng dụng cụ gì), ở đâu, bởi ai, khi nào. 1. The police didn’t ask questions about the thief.  .............................................................................................................................................................................. 2. She isn’t going to write a poem.  .............................................................................................................................................................................. 3. No one changed the window of the lab.  .............................................................................................................................................................................. 4. Tom hasn’t finished the exercises.  .............................................................................................................................................................................. 5. We mustn’t finish the test before ten.  ..............................................................................................................................................................................

Là giúp em với ạ.E đang cần gấp

Ở cột cờ trên sân trường của em có dùng ròng rọc đây là ròng rọc gì? xin lỗi mk ko có ảnh

7-2y=-37-(-26)-y 25-(30+y)=y-(27-8) (y-12)-15=(20-7)-(18+y)