Câu 6 : Hai bạn Tùng và Hải cùng đến thư viện đọc sách. Tùng cứ 8 ngày đến thư viện một lần, Hải 10 ngày đến thư viện một lần. Lần đầu cả hai bạn cùng đến thư viện vào một ngày. Hỏi sau ít nhất bao nhiêu ngày thì hai bạn lại cùng đến thư viện? Câu 7 :Tìm số tự nhiên n sao cho n + 8 chia hết cho n + 1

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Bạn nào giúp tớ vs . hứa đánh giá 5*+ bình chọn câu trả lời hay nhất nè <3 1.She was ________ pleased that she passed the exam. A. extreme B. extremely C. A & B are correct D. A & B are incorrect 2. Mr. Smith is an ___________ of this newspaper. A. edition B. editor C. edit D. A & B are correct 3. My children sometimes go __________ in the morning. A. swim B. swimming C. swimmer D. A & B are correct 4. Some _______ have moved to the city to fine good jobs. A. village B. villages C. villager D. villagers 5. Getting to the countryside is a very _________ journey. A. interesting B. interested C. interestedly D. interestingly 6. Alice is studying in a _________ university. A. repute B. reputation C. reputable D. reputably 7. They exchanged ________ on the first day of the New Year. A. greets B. greetings C. greeting D. greet 8. He ________ answered these questions. A. exact B. exacts C. exactly D. A & B are correct 9. Air and water ______ can make people fall ill. A. polluted B. pollution C. pollutant D. pollute 10. A large number of inhabitants have made _________ on how to protect the environment. A. suggestion B. suggestions C. suggest D. suggests 11. My sister will ____________ her birthday tomorrow. A. celebration B. celebrator C. celebrate D. All are incorrect 12.Street noise is one of the _____________ of living in the city. A. advantage B. advantages C. advantageous D. advantageously 13. I will be ________ if she managed to sell that motorbike at a high price. A. surprise B. surprised C. surprising D. to surprise 14. There were 500 ______ in the talent contest. A. competitions B. competitors C. competes D. competitive 15. I want to ________ at course. A. attendance B. attendant C. attend D. All are incorrect 16. He is a strict __________. A. examination B. examine C. examiner D. examinee 17. My teacher lives in a ___________ area of the country. A. mountain B. mountainy C. mountainous D. mountaineer 18. He was ________ that they were not coming. A. disappointed B. disappointing C. disappointedly D. disappointment 19. We often take part in many ____________ activities at school. A. cultural B. culture C. culturally D. All are incorrect 20. The accident happened because he drove __________ . A. careless B. careful C. carelessly D. carefully 21. Are you a stamp ____________ ? A. collect B. collection C. collector D. collective 22. She got very angry but later she apologized for her ______________ . A. patient B. impatient C. patience D. impatience 23. He is one of the most famous _________ in the world. A. environment B. environmental C. environmentalists D. environmentally 24. This book is very _________ about everything else. A. inform B. information C. informative D. All are correct 25. Conversation is one of the most enjoyable form ________. A. entertaining B. entertainments C. entertain D. entertainingly