Tom learned to drive when he was nineteen. => Tom has _______________________________. (since)
Tom learned to drive when he was nineteen.
=> Tom has _______________________________. (since)
Tom learned to drive when he was nineteen.
=> Tom has _______________________________. (since)
Đáp án: Tom has been able to drive since he was nineteen.
Giải thích: S + learn/study + to V when + khoảng thời gian = S + have/has been able to + V + since/for + …: học/ có thể làm gì từ khi nào
Dịch: Tom đã có thể lái xe từ khi anh ấy mười chín tuổi.