write the sten

18. How long have you learnt French ?

-->How long ago...................................................................................................?

19. How long have you bought this car ?

-->When did...........................................................................................................?

20. When did you start to listen to classical music ?

-->How long ..........................................................................................................?

21. I saw her 10 years ago.

23. He started working in this company 5 years ago

--> He has……………………………………………………………………………

24. They began living here ten years ago

--> They have……………………………………………………………………………

25. Lan started to learn French since 2000

--> Lan has been learning ………………………………………………………………

26. The last time Lan went to the zoo was two years ago

--> Lan ………………………………………………………………………………

27. I haven’t eaten this kind of food before

-->This is the first time……………………………………………………………..

28. She has stuied japanese for three years

--> It’s three years since she sarted to study japanese

29. It’s two years since she had a holiday

--> She has ……………………………………………………………………………..

30. This is my first visit to Scotland

--> I …………………………………………………………………………………….

31. The last time he came to the cinema was three weeks ago

--> He …………………………………………………………………………………….

32. We haven’t been to the park for 2 days

--> The last time ………………………………………………………………………..

33. It’s five years since we last met each other

--> We………………………………………………………………………………….

34. We began working the job six months ago

--> I ……………………………………………………………………………………….

35. They started checking the machines two hours ago

-->They have ……………………………………………………………………………

36. He began fixing the bike ten munites ago

-->He has……………………………………………………………………………..

37. She commenced cooking the soup half an hour ago

-->She has……………………………………………………………………………..

38. We began doing the test an hour ago

--> We have……………………………………………………………………………

39. Jack began planting flowers three hours ago

--> Jack has……………………………………………………………………………

40. They started building the bridge two years ago

--> They have……………………………………………………………………………..

41. Nam started learning English in 1998

--> Nam has…………………………………………………………………………….

42. Bang began raising birds in May

--> Bang has……………………………………………………………………………..

43. Van started collecting stamps on Sunday

--> Van has………………………………………………………………………………

44. Hang began listening to music at 8 o’clock

--> Hang has………………………………………………………………………………..

45. Mai commenced making a dress on Saturday

--> Mai has………………………………………………………………………………..

46. He began watering the vegetables at nine

--> He has………………………………………………………………………………….

47. Khanh started playng computer games in 2002

--> Khanh has……………………………………………………………………………..

48. Kim commenced doing the test at one o’clock

--> Kim has………………………………………………………………………………….

49. Miss Lien commenced raising the pets in 2010

--> Miss Lien ………………………………………………………………………………

50. Minh began selling lottery tickets in June

--> Minh has……………………………

Giup minh voi

hòa tan 11,2g fe vào dung dịch HCl vừa đủ.a)Tính khối lượng HCl cần dùng.b)Nếu dẫn toàn bộ lượng khí thu được ở trên qua ống nghiệm đựng bột Cuo phải đun nóng,tính khối lượng kim loại thu được