Chuyển câu sao cho nghĩa không đổi:50. Because of being lost, we stopped to ask a policeman for directions. We ............................................................................................................................ 51. We are worried because we have to live very far from our parents. We wish ............................................................................................................................ 52. He hasn't been to the doctor's for over a year. He hasn't had ............................................................................................................................ 53. That old keyboard is not worth repairing. It is pointless to ............................................................................................................................ 54. I last met her in the station a year ago. I haven't ............................................................................................................................ 55. They said we couldn't look at the house. (didn't allow) ..................................................... |