18. The couple tried to ____ their daughter to change her mind.

　　　　 A. advise　 B. suggest　 C. mind　 D. persuade

17. During the war he got _____ from his family.

　　　　 A. gone　　 B. lost　 C. separate　 D. separated　

16. We should prevent pollution ____ happily.

　　　　 A. from living　　　 B. to live　　 C. from being lived　 　　　　 D. to living

15. ____ is known to us all, the moon travels round the earth once every month.

　　　　 A. It　　　 B. As　　　 C. That　　 D. What

14. There are no houses _____ the coast.

　　　　 A. off　　　 B. on　 C. against　 D. from

13. I have no doubt ____ you will do well in the final exam.

　　　　 A. whether　　 B. if　　 C. that　　 D. what

12. He was lucky that he wasn’t killed because a truck ______.

A. ran over him　　 B. ran him over　 C. ran across him　 D. ran him across

11. I suggest that you _____ the maps when you learn geography.

　　　　 A. look up　 B. refer to　 C. point to　 D. point out

10. You can give the book to _____ wants it.

　　　　 A. no matter who　 B. whoever　 C. no matter whom　　 D. whomever

9. ______ the heavy rain, he went on working in the field.

　　　　 A. In spite　 B. Although　 C. As　　 D. Despite