Tìm $x$, $y$ biết: $\frac{x}{3}$ = $\frac{y}{4}$ với 2$x$ + $y$ = 20

I. Choose the word whose main stress is placed differently from the others. 1. a. fairy b. appear c. cruel d. master 2. a. after b. servant c. grandpa d. nearby 3. a. farmer b. village c. escape d. sister 4. a. festival b. excited c. traditionnal d. immediately 5. a. magicall b. buffalo c. everyone d. equipment II. Choose the word or phrase that best completes each unfinished sentence below or substitutes for the underlined word or phrase. 6. His wife ______ five years ago. a. die b. died c. dies d. was dying 7. We usually open our present_______midnight. a. in b. at c. on d. when 8. _____ Thanksgiving Day, families come together for a special dinner. a. In b. At c. On d. When 9. Where ______ before you moved here? a. did you use to live b. did you use c. used you to live d. used to you 10. She is dying______ cancer. a. with b. of c. because of d. by 11. The frog changed______ a handsome prince. a. in b. to c. into d. from 12. The committee decided ______ the offer. a. to accept b. for accepting c. accepting d. accept 13. His wife recently gave birth to a______ . a. daughter b. niece c. nephew d. children 14. You have nothing to ______ by telling the truth. a. loose b. lose c. loss d. lost 15. He’s getting very excited about his holiday. a. eager b. funny c. worried d. pleased IV. Choose the word (a, b, c, or d) that best fits each of the blank spaces. Harry starts work (21)______ half past six. He delivers papers every day of the week, from Monday to Saturday, but not (22)_____ Sundays. He works (23)_____ the mornings before school and (24)_____ the afternoons after school. He usually finishes work (25) ______ six o’clock. Harry says, “(26)______ the summer, the job is OK, but (27) _____ December and January, the weather is very cold! I like this job. I get a lot of exercise, and the money is good. I’m saving my money in the bank (28)_____the moment for a holiday in Spain. ” 21. a. in b. at c. on d. a & b 22. a. in b. at c. on d. between 23. a. in b. at c. on d. Ø 24. a. in b. at c. on d. when 25. a. in b. at c. on d. since 26. a. In b. At c. On d. Ø 27. a. in b. at c. on d. from 28. a. in b. at c. on d. of

Nung 150g Cu(OH)2 sau phản ứng thứ được 80g CuO và 18g nước. Tính % khối lượng Cu(OH)2 đã bị phần hủy

mong cac ban giup mik tra loi cau hoi

Giải hộ em ạ UnU Em cảm ơn nhìu nhiuf

135 9 312 25 432 81 384 ? Điền số tiếp theo vào chỗ trống ( giải thích nha) Gợi ý: 16, 64, 4

tìm bài thơ trong sách ngữ văn 8 có biện pháp so sánh và nhân hóa

mọi người giúp mình đi 😢 Câu hỏi: hoàn thành câu thứ 2 có nghĩa giống với câu số 1

helppppppppppppppppppppppppppppppp 8h30 mk phải nộp

Dàn ý Nghị luận về thực trạng tin giả trong thời điểm dịch Covid-19