25. Off

26. On

27. Which lower-secondary school did you go to?

28. Lan is going to have a birthday party at 8.00 p.m on Saturday

29. I used to go to the church when i was a child

30. Another man-made has been sent satellite into space by the scientists

31. Because he was ill, she had to cancel the appointment

32. To

33. Up

34. Old buildings have just been knocked down to build a new surpermarket

35. What benefits does camping bring to you?

36. I happened to see your sister yesterday

37. This is the frist time i have been in HN

38. She refused  to give me the name of her latest album then

25 up

26 on

27 which did you go to lơer secondary school

28 lan to have is going party a birthday at 8p.m on sunday

29 , I used to go to church When I was little

30 another man made who created satellites into space scientists saw

31 because he illness he had to cancel the appointment

32 to 

33 up

34 old buiding have just been  knockned to buid supermaket a new down

35 what does you to bring to camping benefits

36  i happened your sister yesterday by chance 

37 this is the first time i am in hanoi

38 she refused give you the name of my laster album now