31. A:Did you go to work yesterday?

      B: No, I didn't. I never work on Saturdays.

32. A: Did you see Charles yesterday?

      B: Yes. We had lunch together.

33. A: Does Colin at a bank?

      B: No, he doesn't work. He works at a post office.

34. A: Did you go anything exciting last Sunday?

      B: No,not really. I watched TV and read a book. It was a boring weekend.

35.A: What do you do at weekends?

     B: We usually go to the beach.

36. My mother is buying (buy) some food at the grocery store.

37. Luke isn't studying (not study) Japanese in the library. He's at home with his friends

38. She is runnung (she, run) down the street.

39.My cat is eating (eat) now.

31:A:Did you go to work yesterday?

B:No, I don't. I have never worked on Saturdays.

32:A:Did you see Charles yesterday?

B:Yes. We have lunch together.

33:A:Colin worked at a bank?

B:No, he didn't.He work at a post office.

34:A:Did you do anything exciting last Sunday?

B:No, not ready. I watch TV and read a book. It was a boring weekend.

35:A:What did you do at weekend?

B:We usually go to the beach.

36:My mother buy some food at the grocery store.

37:Luke don't study Japanese in the library. He's at home with his friends.

38:She run down the street?

39:My cat eat now.