Bài tập viết lại câu thì hiện tại hoàn thành và quá khứ đơn 74. The police started looking for him two months ago. For two months now the _________________________________ 75. I have never seen a dirtier-looking dog. This is ____________________________________________ 76. Mary rang hours and hours ago. It it hours _______________________________________________ 77. It is ages since Alan visited his parents. Alan ______________________________________________________ 78. John has not had his hair cut for over six months. It is ______________________________________________________ 79. I has never seen such a beautiful building. It's the most _________________________________________________ 80. I have never read such a romantic story. This is the most _______________________________________________ 81. They had never had such a cold winter. It was the _________________________________________ 82. You will never meet anyone more dangerous than Mrs Jones. Mr. Jones is the most _______________________________________ 83. Man has never had such efficient servants as computer. Computer is the most _______________________________________ 84. I haven't played football since 2000. The last time __________________________________________