30. She asked me when my birthday was.

31. She asked me how I went to school.

32. She asked me where she lived.

33. Ba asked me which grade I was in.

34. She asked me who I lived with.

35. I asked her how much these pens were.

36. She told me that I should study hard.

      She advised me to study hard.

37. She told me that I should keep my sister.

      She advised me to keep my sister.

38. He said to Nam that he shouldn't be lazy.

      He aadvised Nam not to be lazy.

39. She told us that we ought to keep our hands clean.

      She advised us to keep our hands clean.

40. She said that my sister oughtn't to be .... ( từ này mình k nhìn rõ nên bạn bổ sung vào nhé )

      She advised my sister not to be ....