60.如今人们有了更多的闲暇时间，因而对各种服务的需求增长得如此快。

23. If we ______ adequate preparations, the conference wouldn’t have been so successful. 

20. Please send us all the information ______ you have about the candidate for the position.

4.

18. —John, What ______ in your hand?—Look! It‘s a birthday gift for my grandma.

32. Bob thought he couldn’t go to the party because he had to write a report, but he went ______.

29. ______ is known to everybody, the moon travels round the earth once every month.

24. Only after my friend came ______.

49. ______ absorb smelly sweat easily and therefore are better at hiding body odor.

58.我们在寻找有经验的人士，他们愿为我们高绩效的组织做出贡献，并能为他们职业生涯的成功而奋斗。

34. Most people work because it’s unavoidable. ______, there are some people who actually enjoy work. 

8.