giúp em câu hoá này với em cảm ơn ạ

1. I .......salad for lunch today. has have am having had

helppppppppppppppppppppppppppppppppppppppp

giúp mk nhaaa , lẹ nhenn mk đg cần gấp á

1. Find the odd one out A, B, C or D. 1.A. donate B. provide C. encourage D. benefit 2.A. clean B. street C. house D. wall 3.A. individual B. industrial C. essential D. environment 4.A. graffiti B. draw C. painting D. collage 5.A. homeless B. elderly C. people D. disabled 2. Put the verbs in brackets in the correct tense form. 1. You ever (do) ________ volunteer work? 2. Yes, I (do) __________ volunteer work last month. 3. I ( collect) _____________ hundreds of old books and clothes for street children so far. 4. My sister wants to raise funds for street children so she (make) _________ hundreds of postcards to sell them. 5. My hobby is carving eggshells and now I ( carve) __________ nearly 100. 6. Going home from school yesterday, I (help) __________ an old man to go cross the street. 7. Last Tuesday, I (go) __________ home late because there was a traffic jam near my school. 8. At Tet, my mother and her close friends often go to the hospitals to donate cakes, sweets and -------- for the sick children there. She (do) ________ it for many years. 9. Lan never (eat) _________ Banh tet. She will try some this year. 10. Linh is my close friend. We (know) ________ each other for 5 years. 3. Put a word from the box in each gap to complete the following passage. project helping do mentoring enjoy raising giving elderly volunteer population In the United States, almost everyone, at one time or another, has been a (1) _________. According to -------- US government statistics, about one-fifth of the American (2) __________ does volunteer work each year. Americans have had the tradition of volunteering and (3) ________ one another since the early days of the country. Americans volunteer not because they are forced or paid to (4) __________ it. They (5) ________ it! Traditional volunteer activities include (6) ______ money for people in need, cooking and (7) ________ food, doing general labour ( such as clean-up (8) ________ and home repair), providing transportation ( such as giving rides to the (9) ______), and tutoring/ (10) _________ young people. 4. Choose the correct word A, B or C for each gap to complete the following passage. (1)______ January 17th, 1995, a powerful earthquake hit the city of Kobe, Japan. Many buildings (2) ________ or collapsed. Soon after the earthquake, people in Kobe (3) _______ working together to save their city. Neighbours pulled each other out (4) _______ collapsed buildings. Ordinary people (5) ______ out fires even before the fire trucks arrived. Volunteers in Kobe organized themselves into (6) ________. They worked out a system to send (7) _________ to where it was needed. Some people (8) __________ food, water, clothes to different part of city. Some volunteers took (9) ________ of children who had lost their parents. Teams of volunteers from outside Japan helped, too. Today, Kobe has been built. But people there still remember the outpouring of support they (10) ________ from all over the world back in 1995. 1. A. In B. At C. On 2. A. burn B. burned C. burning 3. A. to begin B. begin C. began 4. A. of B. on C. with 5. A. to put B. put C. puts 6. A. teams B. pair C. group 7. A. help B. helping C. to help 8. A. bring B. brings C. brought 9. A. part B. care C. note 10. A. receive B. received C. has received

Giải giúp mình với mình vote 5 sao ạ 1/2Sinx + 1/2Cosx = √2/2

CMR:hàm số y=f(x)= √2-x +2 √1-x (căn hết biểu thức đó luôn nha)nghịch biến trên tập xác định của nó.Mọi người giúp em với ạ.

5x*(x^2-3)+x^2*(7-5x)-7x^2 với x=-5

You are going to take a vacation soon and want your friend to go with you. Write a letter of 120-150 words to your friend In your letter, you should: • tell him/her why you want the holiday/vacation • describe your plan • invite him/her to go with you. Use your name and address as An Nhien – 119 Le Hong Phong Street, Vinh City, Nghe An Province.

Calli: Triệu Lệ Dĩnh NL: Ai bít Triệu Lệ Dĩnh hơm ak, thần tiên tỷ tỷ của tui đó:3