39.

40.

25.

30.

44. What can we learn from some recent studies ________

49. Which of the following is true about the research under discussion?

16. I see no reason why they shouldn’t go on playing for another four or five years ______ they are fit enough. 

53. According to the author, the refrigerator magnet is ________.

48. According to David Blankenhorn, people commonly believe that ________

41. The best title of the passage can be ________

36.

2.The principle stressed using multimedia would never replace the one-to-one ________ between pupil and teacher.