26. [A] at [B] by [C] in [D] on

27. [A] no [B] not [C] some [D] any

28. [A] install [B] happen [C] appear [D] show

29. [A] difficulty [B] trouble 　 [C] case [D] problem

30. [A] as [B] like [C] same [D] similar

31. [A] taken [B] considered [C] defined [D] thought

32. [A] must [B] might [C] may [D] will

33. [A] resolving [B] issuing [C] setting [D] finishing

34. [A] in [B] for [C] as [D] at

35. [A] having [B] playing [C] also [D] making

36. [A] arguing [B] promising [C] taking [D] advising

37. [A] and [B] or [C] stating [D] but

38. [A] Unless [B] If [C] While [D] Though

39. [A] make [B] possess [C] get [D] assume

40. [A] After [B] Before [C] If [D] While

41. [A] differently [B] accordingly [C] directly [D] consistently

42. [A] hot [B] cold [C] good [D] bad

43. [A] for [B] with [C] against [D] between

44. [A] solution [B] result [C] key [D] answer

45. [A] yes [B] not [C] no 　[D] all