Someone has opened the letter
30. Someone has opened the letter.
Air
31. They should reduce air pollution. They should be reduced b
32. They have made every effort to recover the stolen painting.
33. They are repairing this road at the moment.
35. I do exercises evry morning.
36. You ought to tell us the truth.
37. Nobody has solved such a difficult problem.
38. My mother often show me how to do exercises.
39. Hung doesn't break the windows.
40. Someone has broken the windows.
41. No one has ever heard of the news.
42. Have you finished it yet?
43. Has he eaten all of the apples?
44.I can't see anything.
46. My parents named me Hai.
47. They will close the factory until further notice.
Air
31. They should reduce air pollution. They should be reduced b
32. They have made every effort to recover the stolen painting.
33. They are repairing this road at the moment.
35. I do exercises evry morning.
36. You ought to tell us the truth.
37. Nobody has solved such a difficult problem.
38. My mother often show me how to do exercises.
39. Hung doesn't break the windows.
40. Someone has broken the windows.
41. No one has ever heard of the news.
42. Have you finished it yet?
43. Has he eaten all of the apples?
44.I can't see anything.
46. My parents named me Hai.
47. They will close the factory until further notice.