39. Mai and Nam don’t go to school in Sundays.                                 in-> on

40. You should always to tell an adult where you are going.                 ..........bỏ to..............

41. We didn’t wanted to go to the park.                                              ............wanted-> want............

42. I can’t speak Chinese and neither can’t my brother.                       ...........can't -> can.............

43. When I saw her, I thought she looked happily.                              ...............happily -> happy............

44. Last summer my parents buyed me a lot of different gifts.              ..........buyed -> bought..............

39. Mai and Nam don’t go to school on Sundays.                                 .........................

40. You should always tell an adult where you are going.                 ........................

41. We didn’t want to go to the park.                                              ........................

42. I can’t speak Chinese and neither can my brother.                       ........................

43. When I saw her, Ihave though she looked happily.                              ...........................

39. Mai and Nam don’t go to school in Sundays.                                 in  -> on

40. You should always to tell an adult where you are going.                 to tell -> tell

41. We didn’t wanted to go to the park.                                              wanted -> want

42. I can’t speak Chinese and neither can’t my brother.                       neither can’t -> neither can

43. When I saw her, I thought she looked happily.                              happily=> happy

44. Last summer my parents buyed me a lot of different gifts.              buyed=> bought