Hiện nay tổng số tuổi hai anh em là 30 tuổi. Tính tuổi em hiện nay, biết khi tuổi anh bằng tuổi em hiện nay thì hồi đó tuổi anh gấp 3 lần tuổi em.

5. My boss. high heels to work. A. doesn't wear B. aren't wearing C. don't wear 6. She usually. much. A. doesn't talk B. don't talk C. isn't talking 7. This spaghetti. awful. A. tastes B. is tasting C. taste 8. I. he is a good man. A. thinks B. think C. am thinking 9. As the ceremony. at 7.30 a.m., we have to be there early. A. is starting B. start C. starts 10. Kate. a cup of coffee every morning. A. is drinking B. drinks C. Drink

hãy nêu chức năng của ADN, ARN và liên hệ ( dựa vào các chức năng đó )

tại sao khi sinh ra con cái lại giống cha mẹ của mình

1)Choose the one option - a, b, c or d - that best fits each of the numbered blank. Alexander Graham Bell was a British inventor and a teacher of deaf people. He is (11) _____ famous for (12) _________ the telephone. He was born in Edinburgh, Scotland on 3 March 1847. Bell studied (13) _____ the universities of Edinburgh and London. He (14) ______ to Canada in 1870 and a year later to the United States. In 1872, he (15) ________ a school for deaf people in Boston, Massachusetts. 11. a. more b. most c. much d. too 12. a. making b. designing c. inventing d. producing 13. a. in b. at c. on d. between 14. a. traveled b. emigrated c. left d. migrated 15. a. founded b. found c. made d. created

Hai điểm A và B thuộc cùng một nửa mặt phẳng có bờ la đường thẳng xy. Khoảng cách từ điểm A đến xy bằng 12cm, khoảng cách từ điểm B đến xy bằng 20cm. Tính khoảng cách từ trung đểm C của AB đến xy Bài tập 4 trang 80 Cảm ơn nhiều^^

Giúp mình với. Mình cần gấp lắm ạ. Cảm ơn mng nhìuuu

Do as directed 1. Her mother loves____________(be) outdoors in her garden to plant flowers [Supple the correct tense of the verd] 2. My mother started to v work for this non-profit organisation in 2015 -> My brother has _____________________ [Rewrite the sentence without changing meaning, biginning with the given words] 3.She/want/stay/shape,/so/do exercise/every day. [Write the meaningful sentence, using given the words] AI GIUP MIK GIAI NHA

0. Harry often. books from the library. A. borrows B. is borrowing C. are borrowing 1. My grandfather. collecting stamps. A. is loving B. are loving C. loves 2. She. her friends at a bar right now. A. waiting B. is waiting C. waits 3. Nguyen Nhat Anh is a writer. He a short story about a dragon A. is writing B. writes C. are writing 4. I never. home late. A. come B. is coming C. am coming

I. Choose the word in each group that has the underlined part pronounced differently from the rest 1. a. b(e)nch b. att(e)nd c. (e)ducate d. subj(e)ct 2. a. rom(a)ntic b. hum(a)nity c. m(a)thematics d. m(a)ture 3. a. m(e)dical b. s(a)lad c. fa()mily d. n(a)rrow 4. a. br(ea)thing b. br(ea)kfast c. alr(ea)dy d. dr(ea)mt 5. a. m(a)rriage b. m(a)ny c. c(a)lculate d. Jap(a)n