giúp mình với mn mik cần gấp lắm

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GIÚP MÌNH VỚI MIK ĐÁNH GIÁ 5 SAO CHO 11. She looked after our children when we were out. 12. Nobody has used this room for ages. 13. The boy hit the dog in the garden yesterday. 14. Who wrote this book? 15. Who has cleaned this room? 16. The fire has caused considerable damage. 17. The committee is considering several new proposals. 18. No one may open this letter, may they? 19. They bought her a present on her birthday. 20. Someone has told him to report for duty at 6.00pm 21. The author has written a special edition for children. 22. They make these artificial flowers. 23. Does John return the book he borrowed yesterday? 24. They are pulling down the old theatre. 25. We use this room onlyon special occasions. 26. Have they told you anything about it? 27. What language do they speak in Japan? 28. Someone has taken her bag by mistake. 29. They haven’t done anything about it. 30. It is time some one told him what is wrong. 31. Ann gave the boy a ticket and led him to the theatre. 32. Someone broke into his house and stole a lot of things. 33. They didn’t look after the children properly. 34. Someone switched on the light and opened the door. 35. Why did no one inform me of the change of plan ? 36. Maria was writing poems at that time. 37. We will not admit children under 16. 38. They will say nothing more about the matter if someone returns the stolen gun. 39. You shouldn’t leave the documents on the desk. You should lock them up 40. No one can do anything unless someone gives us more information.

Giải giúp mình vs ạ cảm ơn nhiều

I am just ..... the point for my pay rise (giải thích) A. back B. until C. on D. up

Help me Giải phương trình a) cot2x+tanx=4cot4x b) tanx+tan2x=sin3x+cosx c) (1-tanx) *(1+sin2x)=1+tanx

Thay điểm O thành điểm A ( rồi làm bài này giúp em với ạ hứa cho 5*

Lúc 7h sáng một ôtô chạy từ A đến B đoạn đường dài 150 km với vận tốc trung bình là 60 km/h. Sau đó ô tô tiếp tục đi từ B đến C đoạn đường dài 120 km với vận tốc trung bình 80km/h. Hỏi ô tô đến C lúc mấy giờ.

tiếng anh lớp 6 Mong mọi người giúp em ạ em cảm ơn nhiều