Bài tập viết lại câu thì hiện tại hoàn thành và quá khứ đơn 59. The last time I really enjoyed myself was your birthday party. I haven’t _______________________________________________ 60. It's nearly 20 years since my father saw his brother. My father hasn’t _________________________________________ 61. When did you learn to drive? How long is it __________________________________________ 62. The last time I went swimming was when we were in Spain. I haven’t ______________________________________________ 63. You haven't tidied this room for weeks. It’s weeks _____________________________________________ 64. We started looking for a flat 2 months ago and we are still looking. We have ______________________________________________ 65. This is the first time I've been to a night club I haven’t ______________________________________________ 66. They have never heard such a thing before. This is the first time _______________________________________ 67. Noone has challenged his authority before. This is the first time ______________________________________ 68. She left university 2 years ago It is __________________________________________________ 69. My mother was the most warm-hearted person I've ever known. I have _________________________________________________