----- Nội dung dịch tự động từ ảnh ----- 46. A sudden increase in water pressure may break the dam. 47. We must take good care of books brorrowed from the library. 48. A man I know told me about it. 49. We can never find him at home for he is always on the move. 50. They use milk for making butter and cheese. 51. Why have they never tried my scheme? 52. No one has taken out the garbage. 33. He wants people to call him sir. 54. He doesn't like people laughing at him. 55. People know that he is armed. 56. Someone seems to have made a terrible mistake. 57. You order me about and I'm tired of it. 58. Don't touch that switch. 59. We know that you were in town last Sunday. 60. He preferred that man to teach him. 61. Peopl believe that he has worked for the president.