Make the correct question for the underlined part.
Jim was walking on the sidewalk when he saw his teacher.
Where Jim was walking when he saw his teacher?Where was Jim walking when he saw his teacher?Where did Jim walking when he saw his teacher?Where Jim did walk when he saw his teacher?Hướng dẫn giải:Dạng câu hỏi với “Wh- + be + V-ing” khi hỏi về hành động đang diễn ra trong quá khứ:
→ Câu gốc: “Jim was walking...”
→ Câu hỏi: Where was Jim walking...?
