20、If you happen to __________ my lost novel while you are searching for you book, please let me know at once by telephone.
A. come out              B. come up            C. come across            D. come about

19、He is too tired and his strength has __________.
A. run out                    B. used up         C. given up               D. been run out

18、 __________ the great efforts we made, we failed to carry out our plans.

A. Instead of            B. Thanks to       C. In spite of             D. Because

17、--Have you got the news that Jack’s company has gone broken?

--Yes, I think their failure __________ a mixture of bad luck and poor management.

A. results from           B. dues to         C. leads to             D. brings in

16、The winner of the award said that he had owed his success to many people, his parents __________.

A. after all                    B. by chance          C. on purpose             D. in particular

15、It took her ten years to __________ her publishing business.

A. take up                 B. put up         C. build up               D. bring up

14、What parents say and do will have an e          on their children’s behavior.

二、选择题

（每空？ 分，共？ 分）

13、It is i          for you to sell cigarettes to people under eighteen in that county.

12、You left home without leaving a word. Your parents must be a        about you.

11、It is impossible to p          what will happen in the future.