4.

63. 假如你想从事这项工作，你必须先接受三个月的训练。

64. 你一旦养成了坏习惯，改掉它是很难的。

25. Not until that day ____ the importance of good manners in a job interview.

45. To have a beautiful face and a beautiful body has become ____ for today’s youth.

42. Who are NOT the role models of today’s youth when they seek glamour and beauty?

24. He ought to have come by now. I ____ that some accident has delayed him.

48. People ______ are welcome to be volunteers. 

( )53. The result of the election of new seven wonders will encourage tourists from all over the world to see those landmarks.

33. I like this jacket better than that one, but it costs almost three times ____.

10.

62. 这张照片使我想起了我们在夏令营里度过的日子。