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1. When did Hoa learn English?( nếu phần gạch chân là yesterday.)
What did Hoa learn yesterday? ( nếu phần gach chân là English.)
2. When did you arrive at school? ( Nếu phần gạch chân là at a quarter to seven)
3. How did David go to school yesterday? ( Nếu phần gạch chân là by bicycle)
4. Where were you yesterday? ( Nếu phần gạch chân là was at school.)
Bạn nên gạch chân rõ phần cần đặt câu hỏi.