vì sao cuối thế kỷ 18 đầu thế kỷ 19 nhà Nguyễn Lâm vào Khủng hoảng
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50. We started learning how to drive our motorbike three years ago. >We have 51. We started learning how to cook three years ago. => We have 52. We started learning English three years ago. => We have... 53. We started learning how to swim three years ago. => We have . 54. Nam's still studying English. He started studying it two years ago. (for) >Nam has......