13. I am not involved in this issue, ________? A. am I B. am not I C. are I D. aren’t |
14. She’s the girl you told me about, ________? A. didn’t you B. did you C. isn’t she D. wasn’t she |
15. You often have bread and milk for breakfast, ________? A. haven’t you B. have you C. do you D. don’t you |