38、A computer can only do _______you have instructed it to do.

50. Australia is one of the few countries()people drive on the left of the road

49. The higher the temperature,()the liquid evaporates

48. She wonders()will happen to her private life in the future.

47. I hadn’t seen him for years, but I()his voice on the telephone.

46. I tried to put()a telephone call to him, but his line was always busy.

45. Both the kids and their parents( )English, I think. I know it from their accent.

44. You shouldn’t()your time like that, Bob. You have to finish your school work tonight.

43. What is the train( )to Birmingham?

42. On average, a successful lawyer has to talk to several()a day.

41. While I was in the university, I learned taking a photo,()is very useful now for me.