31. Hanna and Alicia were students, ___?

​A. weren't they​B. were they​C. wasn't he​D. wasn't they

32. John was at work yesterday, ___?

​A. weren't they​B. wasn't he​C. was he​D. were he

33. Jim was your neighbor, ___?

​A. was he​B. didn't you​C. weren't you​D. wasn't he

34. You haven’t seen him this morning, ___?
​A. had you ​B. have you ​C. is it ​D. will you
35. The United States is in North America, ___?
​A. is it ​B. was it ​C. isn’t it ​D. could it
36. You were late today, ___?
​A. were you ​B. have you ​C. did you ​D. weren’t you
37. Tom can’t work with animals, ___?
​A. they can ​B. can they ​C. can he ​D. can’t he
38. Mom, when I was five I couldn’t swim, ___?
​A. can I ​B. couldn’t I ​C. could I ​D. could you
39. The meal won’t be ready, ___?
​A. won’t they ​B. won’t it ​C. will you ​D. will it
40. You prefer drinking nescafe to tea, ___?
​A. do it ​B. don’t you ​C. did you ​D. can you