turn the following sentences into passive 
----- Nội dung dịch tự động từ ảnh -----
68. The teacher is going to tell a story.
69. Marry is cutting the cake with a sharp knife.
70. The children looked at the women with red hats.
71. She used to pull my hat over my eyes.
72. For the past years, I have done all my washing by hand.
73. A pair of Robins has built a nest in the porch since last week.
74. The police haven't found the murderer yet.
75. They sold one of her paintings at $1,000.
76. I will put your gloves back in the drawer.
77. People speak English in almost every corner of the world.
78. You mustn't use the machine after 5.30 p.m.
79. Luckily for me, they didn't call my name.
80. After class, one of the students always erases the chalk board.
81. You must clean the wall before you paint it.
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82. They told the new pupil where to sit.
83. I knew that they had told him of the meeting.
84. Nobody has ever treated me with such kindness.