1- We haven’t seen the car before.  It’s the………………………………………………………………………… 2- I haven’t gone there before.  It’s the ………………………………………………………………………… 3- They haven’t performed here before.  It’s the………………………………………………………………………… 4- Nam hasn’t held a girl’s hand before.  It’s the………………………………………………………………………… 5- Duy hasn’t read this kind of story before.  It’s the………………………………………………………………………… 6- She started to dance ten years ago.  She has danced for ten years. ( ten years la khoảng thời gian vì thế ta dùng for) 7- They began to smoke 20 years ago.  They have………………………………………………………………………… 8- Mr Doone started to work here when he graduated.  Mr Doone has………………………………………………………………………… 9- The nice girl began to dance in 1990.  The nice girl has……………………………………………………………………… 10- We began to study English when we were too young.  We have been………………………………………………………………………… 11- How long have you learnt English?  How long ago did you begin to learn English? 12- How long have you painted the door?  When …………………………………………………………………………? 13- How long have you been jogging?  When …………………………………………………………………………? 14- When did you begin to speak Cambodia?  How long …………………………………………………………………………? 15- When did you begin to listen to Big Bang?  How long …………………………………………………………………………? 16Samuel started keeping a diary in 1997.  Samuel has ___________________________________________________________ 17. We started leaming English fìve years ago.  We have _____________________________________________________________ 18. I began living in Ho Chi Minh City when I was 8.  I have _______________________________________________________________ 19. She has taught the children in this remote village for five months.  She started ___________________________________________________________ 20. How long is it since you rode a bicyde?  When _______________________________________________________________

vật dao động điều hòa trên quỹ đạo dài 20cm. lúc bật cashs gốc tọa độ 6cm thì vận tốc của vật là 16π cm/s. Chu kì dao động là A. 1s B. 2s C. 0,5s D. 0,25s

cho tam giác ABC vuông tại A, gọi AD là đường phân giác của góc BAC; AE là đường phân giác góc ngoài của tam giác ABC tại đỉnh A. C/m $\dfrac{1}{AB^2}$ + $\dfrac{1}{AC^2}$ + $\dfrac{1}{AD^2}$ + $\dfrac{1}{AE^2}$

Tìm hiểu về truyền kì mạn lục của Nguyễn dữ

giúp t câu 4,6,7 nha. cám ơn mng nhiều :))

. Circle the letter of the correct answer. 1. Mai has long black hair. a. Mai’s hair are black and long c. Mai’s hair is long black b. Mai has hair long and black d. There is long and black hair in Mai 2. There are twenty-five girls in my class. a. My class have twenty-five girls c. My class are twenty-five students b. My class has twenty-five girls d. My class has twenty-five girls 3. This girl is tall. a. This is tall girl c. This is girl tall b. This is a tall girl d. This is a girl tall 4. There is a well in front of my house. a. In front of my house has a well c. My house behind a well b. My house is behind a well d. My house is beside a well 5. Are there four people in your family? a. Your family has four people c. Does your family have four people b. Is your family having four people d. Do your family have four peo

viết đoạn văn trình bày suy nghĩ của e về DƯỢNG HƯƠNG THƯ dựa vàodàn ý trong hinh

Hòa tan hoàn toàn 1,64 gam hỗn hợp A1 gồm Al và Fe trong 250 ml dd HCl 1M thu đc dd A2. Thêm 100g dd NaOH 12% vào A2, pứ xảy ra hoàn toàn, lọc lấy kết tủa và đem nung trong kk đến KL không đổi thu đc 0,8 gam chất rắn. Tính % khối lượng mỗi KL trong A1

Bài 1. Chia động từ dưới đây ở thì HTĐ hoặc HTTD 1. Where ___________you (live)____________? I (live)______________in Hai Duong town. 2. What _______________he (do) ______________now? He (water)___________flowers in the garden. 3. What _______________she (do)_____________? She (be)______________a teacher. 4. Where _________________you (be) from? 5. At the moment, my sisters (play) ____________ volleyball and my brother (play) ______________soccer. 6. It is 9.00; my family (watch)___________________TV. 7. In the summer, I usually (go) ______________ to the park with my friends, and in the spring, we (have) ___________Tet Holiday; I (be) _______ happy because I always (visit) ___________ my grandparents. 8. ____________your father (go)_____________to work by bus? 9. How ___________your sister (go)___________to school? 10. What time _____________they (get up)_________________? 11. What ____________they (do)________________in the winter? 12. Today, we (have)______________English class. 13. Her favourite subject (be)__________________English. 14. Now, my brother (like)_________________eating bananas. 15. Look! A man (call)_________________you. 16. Keep silent! I (listen)____________________to the radio. 17. ______________ you (play)_________________badminton now? 18. Every day, my father (get up)___________ at 5.00 a.m, but today, he (get up) _________ at 6.00 am. 19. Every morning, I (watch)___________TV at 10.00, but today I (Listen) _____________ to music at 10.00. 20. Every day, I (go) __________to school by bike but today I (go)___________ to school by motorbike. 21. Every morning, my father (have) ______________a cup of coffee but today he (drink)____________milk. 22. At the moment, I(read)_______________a book and my brother (watch)_______ TV. 23. Hoa (live)________________in Hanoi, and Ha (live)________________in HCM City. 24. Hung and his friend (play)_______________badminton. 25. They usually (get up)___________________at 6.00 in the morning. 26. Ha never (go)______________fishing in the winter but she always (do)_____________ it in the summer. 27. My teacher (tell)__________________Hoa about Math. 28. There (be)____________________ animals in the circus. 29. _______________he (watch)______________TV at 7.00 every morning? 30. What _____________she (do) _________________at 7.00 am? 31. How old _________she (be)? 32. How ___________she (be)? 33. My children (go)________________to school by bike. 34. We (go)_______________to supermarket to buy some food. 35. Mr. Hien (go)________________on business to Hanoi every month. 36. Ha (like)______________coffee very much, but I (not like)______________it. 37. She (like)________________Tea, but she (not like)____________________coffee. 38. I (love)_______________ cats, but I (not love)__________________dogs. 39. Every day, I (go)______________to school on foot, but today I (go)________________to school by bike. 40. ______you ______________(wait) for, Nam? No, I ____________________(wait) for Mr. Hai. 41. My sister (get)______________ dressed and (brush)_______________her teeth herself at 6.30 everyday 42. Mrs. Smith (not live)____________in downtown. She (rent)___________in an apartment in the suburb. 43. How _________your children (go)_________________to school everyday? 44. It's 9 o'clock in the morning. Lien (be)________in her room. She(listen)_______________to music. 45. We____________________(play) soccer in the yard now. 46. My father (go)___________ to work by bike. Sometimes he (walk)______________. 47. _________You (live)________near a market? _ ____It (be)____________noisy? 48. Now I (do)_____________the cooking while Hoa (listen)_______________to music. viết đáp án thôi nha

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