11. It's no good, A. is it ? B. do it ? B. you wouldn't A. used he B. usedn't he C. does it D. isn't it A. is there A. isn't it 12. You wouldn't complain, A. won't you 13. He used to work for the American Armyduring the War II 14. There is no beautiful park in Nam Dinh 15. Nothing is valuable for her 16. You're coming to the party, A. aren't you C. shan't you D. would you ? C. didn't he D. did he ? B. isn't there C. are there D. aren't there ? B. aren't they ? C. is it D. isn't nothing 17. It wasn't very difficult, B. isn't you ? C. shouldn't you D. don't you A. wasn't it B. isn't it C. was it D. aren't they A. wasn't he A. won't it 18. Tom is getting something for Sue, 19. It won't be anything expensive, 20. There's some milk in the refrigerator, ? B. isn't he C. was he D. is he ? B. isn't it C. will it D. aren't they ? A. isn't there B. isn't it C. wasn't it D. is there