18._________is often the case, he didn’t study hard and failed to pass the test.  

11.It will take us another five years______the construction of all the 121 roads is completed.

10. Mr. White was so angry at all______Bill was doing________he walked out.

9.Loulan City is not at all__________a traveler who has never seen the desert before can expect.

I shall never forget the day ________ Liu Xiang won the gold medal, _________ has a great effect on my life.

China isn't the country _________ she used to be 50 years ago.

35．---Eric, can you help me choose a computer?
---No problem.________do you wish to use it for?

32．---Honey, which movie should we watch tonight?
---I don’t mind which movie it is______there’s popcorn and soda.

31．After I became the manager, few occasions could I find________I have the time to sit down and enjoy a quiet dinner with my wife.

32．Mary rushed home______she heard the news, only________that his wife was gone.