ko giải thích là báo mod nhé Câu 22: “I didn’t witness the car accident two weeks ago. ” A. He denied not having witnessed the car accident two weeks ago. B. He denied having witnessed the car accident two weeks ago. C. He denied not having witnessing the car accident two weeks ago. D. He denied not had witnessed the car accident two weeks ago. _____________________________________________ Câu 23: They have built a new hospital near the airport. A. A.ew hospital has been build near the airport by them. B. A.ew hospital near the airport has built. C. A.ew hospital has been built near the airport. D. Near the airport a new hospital has built by them. _______________________________ Câu 24: The last time I went to the supermarket was a year ago. A. I have not been to the supermarket for a year. B. A.ear ago, I often went to the supermarket. C. My going to the supermarket lasted a year. D. At last I went to the supermarket after a year. ____________________________ Câu 25: "How long are you going to stay at that hotel?" A. Susan asked George how long he was going to stay at that hotel. B. Susan told George that how long he has gone to stay at that hotel. C. Susan asked George how long he is going to stay at that hotel. D. Susan said George how long was he going to stay at that hotel.