Một bể nước hình hộp chữ nhật có đáy là hình vuông cạnh 2m, chiều cao 0,8 m. Hiện thể tích bể đang chứa nước. a. Tính diện tích xung quanh và thể tích bể nước. b. Cần phải đổ thêm bao nhiêu m3 nước nữa vào bể để 80% thể tích bể có nước. làm giúp mik câu b với ạ. Xin cảm ơn💕

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I. Use the adjectives or adverbs in brackets to fill in the blanks: 1. My son is a ___________ student. (good/ well) 2. I watched a soccer match. The players played very _________. (good/ well) 3. Today I feel ________( happy/ happily) 4. She is a_________ girl but she studies ______( beautiful/ beautifully – bad / badly) 5. I am __________ because my parents live __________( happy – happily) 6. I feel __________ before examinations.( nervous/ nervously) 7. He is lazy but he works ___________ ( carelessly / carefully) 8. Oh, she looks __________ today (beautiful/ beautifully) 9. These workers work _______________. (careless/ carelessly) 10. He is a _______ worker. (carefully/careful) 11. It is an _______________ book. (interesting / interestingly) 12. We didn’t go out because it was raining _______________. (heavy / heavily) 13. She tried on the dress and it fitted her _______________. (good / well) 14. He never has accidents because he always drives ___________. (careful / carefully) 15. It’s too dark to see_______________. (clear / clearly) II. Choose the best option to complete each of the following sentences. 1. She is a beautiful singer. She sings ________. A. beautiful B. beautify C. beautifully D. beauty 2. My father is a ________football player. A. skill B. skillful C. skillfully D. B & C6 3. He also cycles slowly and ________. A. safe B. safety C. safely D. unsafe 4. He doesn’t get up early on Sundays. He gets up_______ A. late B. lately C. slowly D. hardly 5. Don’t speak so ____________ I can’t understand you. A. fast B. fastly C. more fast D. quick 6. ___________ is a person who rides a bicycle. A. Scientist B. Cyclist C. member D. worker 7. Mr. Robinson speaks Vietnamese very__________________. A. fluently B. skillfully C. good D. carefully 8. This river is very ________________ for the swimmer. A. danger B. dangerously C. more dangerous D. dangerous 9. Robin looks ________________.What’s the matter with him? A. sadly B. sad C. happily D. nervously 10. Be ___________ with this glass of milk. It’s hot. A. careful B. carefully C. careless D. carelessly điểm hơi ít mong mọi người giúp em với ạ

Complete each gap with the correct form of the word in brackets. 1. Trinh Cong Son, a renowned Vietnamese _________ (COMPOSE), died at the age of 62, leaving a legacy of hundreds of love songs and songs of other genres. 2. Adam Levine, the lead singer of the band Maroon 5, has been very __________(SUCCESS) with his several chart-topping hits and gold and platinum albums. 3. I really enjoy watching Simon Cowell making comments as a judge on Britain's Got Talent and the X factor. He is one the most ________ (POWER) figures in British culture. 4. Jim cannot ever imagine living without music in his life. For him, music is not only an _______ (INSPIRE) but also a therapy. 5. Happy by Pharrell Williams has always been my favourite and given me good ________ (HOPEFUL) and energy. 6. Greta Gerwig became the fifth woman filmmaker to be ___________ (NOMINATE) for Best Director for Lady Bird at the 90th Academy Awards. 7. ‘Tinh Ca’ by Pham Duy is noted for its beautiful lyrics and melody that show the author's deep _______ (PATRIOT) love for the country. 8. My grandmother had always wanted to watch Khanh Ly _________ (PERFORMANCE) live once, but she could never afford to. 9. Wolfgang Mozart, a gifted Austrian composer and pianist, has been considered one of the most ______ (INFLUENCE) figures in shaping classical music with his many masterpieces of operas, concertos, symphonies and sonatas. 10. Crowds of young fans turned out onto the street to welcome the Korean _________ (SING). They were crazy about him as a phenomenon in modern music. (Giải + cấu trúc)