Bộ 10 đề ôn thi học sinh giỏi Tiếng anh lớp 9 có lời giải chi tiết (Đề 7)

After he had ran for half a mile, he passed the stick to the next runner.

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After he had ran for half a mile, he passed the stick to the next runner.

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Giải thích

After he had ran for half a mile, he passed the stick to the next runner.  run