8. They haven’t seen Deach other since September when they have met at Mary's party. A B C D 9. Peter has bought a new MP3 player yesterday but I haven’t seen it yet. I. Choose the underlined word or phrase (marked A, B, C or D) in each sentence A B C D 2. She has known how to look after sickness children in the right way so far. A B C D 3. We often volunteer at the nursing home to help elderly in our free time. A B C D 4. He has attended a green project and planted a lot of trees in their community A B C D two months ago. 5. She had time to play chess with her brother yesterday morning because A B C she cleaned the dirty beach with her green club. D 6. He has repaired and paints his son's old bicycle for two hours. A B C D 7. They didn't collected enough books and clothes for their volunteer programme yet. A B C A B C D 10. The hockey player hit his head on Friday and he was in hospital since then. A B C D 1.Community ________ have a lot of positive effects on students. (SERVE) 2. ______________ people find it difficult to have a job. (DISABLE) 3.I’d like to work as a volunteer for a charity ______________. (ORGANISE) 4.He made a £5000 ______________ to charity. (DONATE) 5.The Soup Kitchen is a ______________ organization that provides free meals for needy people. (PROFIT) 6.The homeless shelters are entirely staffed by ________ worker. (VOLUNTEER) 7.The organization is funded by ______________ donations. (CHARITY) 8.We help the ______________ with housework and gardening. (OLD) 9.He is_______that he will donate old books to poor children. (CERTAINTY) 10.They will make a great_______for their community when they open a new school for the street children. (DIFFER)

Mark the letter A, B, C or D to indicate the word(s) OPPOSITE in meaning to the underlined word(s) in each of the following questions. Why are slums in Hanoi less visible than in other rapidly growing cities? A. messy houses B. old square C. poor conditions D. luxury flats

Lớp 6E gồm 3 loại học sinh giỏi khá và trung binhsố học sinh giỏi chiếm 2/7 số học sinh cả lớp số học sinh giỏi chiếm 60% số học sinh trung bình tính số học sinh lớp 6E

1 Lan (understand) the lesson now ,she (do) her exercises

Giúp mình với :< Một bài này thôi

Tìm số có 3 chữ số biết rằng nếu viết thêm số 1 vào trước số đó ta được số mới gấp 9 lần số ban đầu

đi qua bao tháng ngày mùa đông rét mướt cây bàng háo hức chờ đợi mùa xuân về rồi một ngày nó cảm nhận được hơi xuân ấm áp đang bao trùm khắp không gian cây bàng hồi hộp chờ đợi bao đổi thay kỳ diệu sẽ đến với mình em hãy tưởng tượng và viết câu chuyện về cây bàng ấy

15. My mother is planting trees in the garden. -->………………………………………………………………………………… 16. Someone has to solve this problem. -->………………………………………………………………………………… 17. They are going to build a new stadium here. -->………………………………………………………………………………… 18. She has taken the newspaper. -->……………………………………………………………………………… 19. They have to repair the engine of the car. -->………………………………………………………………………………… 20. The boy broke the window and took away some pictures.

(3m^2 + n/4) ^3 tính theo hằng đẳng thức

Phân tích đa thức thành nhân tử bằng pp dùng hàng đẳng thức 1,a^2-4b^2 2,4a^2-b^2 3,a^2-25 Giúpppppppppppp