25. I owe a great deal to my coach. Without his encouragement, I ________ my goal. A. will never have achieved B. needn't have achieved C. would never have achieved D. mustn't have achieved ...

19. In recent years much emphasis has been put ____ developing the students' productive skills. A. at B. in C. for D. on ...

9. It was not very long ________ scientists applied the technique to other species. A. while B. then C. after D. before ...

4. News reports say peace talks between the two countries ____ with no agreement reached. A. have broken out B. have broken in C. have broken down D. have broken up ...

22. Next month my sister _____ 12 years old. A. is to be B. will be C. was going to be D. shall ...

17. The mountain areas ____ various trees a few years ago and now the mountains are standing straight with a few trees here and there. A. abused with B. abundance in C. abounded with D. absorbed in ...

12. We hope the measures to control water pollution, _____ taken by the government, will succeed. A. that B. because C. as D. since ...

5. I think the vase is ________ 200 dollars. A. worthy B. worth being C. worth D. worth of ...

25. I shall show you my photographs as soon as they _________ ready. A. will be B. will have been C. are D. have been ...

14. I invited Tom and Ann to dinner, but ____ of them came. A. both B. neither C. either D. none ...