16. No one is indifferent to praise, ______? A. is one B. isn’t one C. is he D. are they 17. Somebody has left these socks on the bathroom floor, ______? A. have they B. haven’t they C. has he D. hasn’t he 18. James owns a restaurant, ______? A. does he B. is he C. doesn’t he D. didn’t he 19. You aren’t too busy to talk, ______? A. are you B. have you C. aren’t D. do you 20. The ticket to London doesn’t cost a lot, ______? A. do they B. does it C. is it D. isn’t it 21. You don’t need me any more, ______? A. do I B. don’t I C. do you D. don’t you 22. Nobody knows who invited the wheel, ______? A. do they B. don’t they C. does it D. doesn’t it 23. Harry was working in Bristol then, ______? A. was Harry B. wasn’t he C. was he D. didn’t he 24. You’ll be home before midnight, ______? A. will you B .won’t you C. are you D. won’t you be 25. David is bringing some wine, ______? A. is he B. isn’t he C. is David D. isn’t David 26. Don’t leave anything behind, ______? A. do you B. don’t you C. will you D. shall we