1. Mary and John (be) ____ neighbors. They (know) __ each other for a long time. Mary (move) __ into her house in 1990, and John (live) __ next door since he (come) __ to the area in 1988. 2. Today (be) ___ Sunday. Nga (not go) __ to school. She (stay) ___ at home. She (do) __ her homework now. She (do) ___ it for two hours. 3. I (be) __ in New York. I (come) __ here two years ago. My friend, Nancy (live) ___ here since 1982. So she (know) ___ the area very well. 4. Trung usually (go) __ to the library 3 times a week. 5. Yesterday I (be) ___ busy, so I (not have) ___ time to phone you. 6. Mrs. Trang (not go) ___ to work last week. She (not be) ___ feeling well. 7. I (do ) ___ all the housework. The flat is really clean now. 8. How long you (live) ____ here? – Since 1997. 9. Mr. Quan (teach) ___ in this school since he (graduate) ___ from the university. 10. My brother (leave) ____ home 10 years ago. I (never meet) ____ him since then. 11. Where you (spend) ___ your summer holiday last year, Tam? 12. When we (be) ___ small, our family (live) ___ in the countryside. 13. I (read) ____ an interesting book at the moment. 14. How long you (know) ____ Mrs. Chi? - She (live) ____ here for five years. 15. We (not see) _____ her since we (be) ____ on holiday in Ha Long bay. 16. Phuong (not finish) _____ her homework yet. 17. It’s three years since I last (see) ____ Nam. 18. You (be) _____ away? – Yes. I (go) ____ to the country last Sunday. 19. I (not eat) _____ anything for two days. 20. They (move) _____ to Ho Chi Minh City in 1990 and (live) ____ there since then. 21. There (be) ____3 accidents on this street in the past 3 days. 22. Is this the first time you (visit) ____our beautiful country? 23. Scientists (find) ____cures for many illnesses in the last 50 years. 24. My uncle's health (improve) _____since he (leave)____ India. 25. I (buy) __a new shirt last week but I (not wear) it yet.

Viết lại câu hỏi đuôi. 1. Does your mother do the housework? Your mother …………………… 2.Were these lessons interesting? These lessons…………….. 3.Did this boy speak English at school? This boy ………………. 4.Will your father go to the zoo next week? Your father………….. 5.Is Mrs Mai growing trees in the garden? Trees …………..

Tìm tập xác định hàm số y=√5-cosx

Giải em bt này với số tiền còn lại của em chỉ còn 10 xử thôi ảnh giải được đến đâu thì giải à

Nhờ mọi người giải giúp mình,áp dụng tính chất dãy tỉ số bằng nhau

giúp e làm 2 câu này vs ạ gấp ạ cứu e vs ( làm chi tiết ạ )

Giúp mik với câu, 57 thôi nhé mik cảm ơn trước

VIII.Choose the best answer A, B, C or D. 1......................many special dishes in Ha Noi, Pho is the most popular. A.Between B.In C. Among D.On 2. I enjoy......................in the morning because I find it good...................... my health. A.gardening/ for B.gardening/ to C. garden/ for D. garden/ at 3.I think you should take up some sports because playing sports can your health condition. A.import B.improve C. provide D.donate 4.She forgot to take the sun hat, so she got a................................ A.backache B.earache C. headache D.stomachache 5.You should spend..................time.........................computer games. A.less/ to play B.more / to play C. less/ playing D. more/ playing 6.They....................NhaTrang 5 times so far. A.have visit B.have visited C. visit D.visited 7.Doing charity means........................money, cooking, providing food for the people in need. A.rising B.raising C.taking D.getting 8.There.........................a lot of organizations which do charity work recently. A.are B.were C.have been D.has been 9.A good life style..................... eating healthy food, playing sports and enjoying ourselves. A.mean B.means C.meaning D.meaningful 10.Have you ever............................to France before? A.been B.gone C.went D.visit

(1/1.3 +1/3.5 + 1/5.7 +...+1/97.99) . 2x = 2/3 (1/1.2.3 + 1/2.3.4 + 1/3.4.5 +...+ 1/98.99.100) . x = -3 bài này là tìm x nha mn

Giải giup em với em sẽ đánh giá 5 sao