Bộ 10 đề ôn thi học sinh giỏi Tiếng anh lớp 9 có lời giải chi tiết (Đề 5)

Since we had nothing else to do, we decided to go for a walk.

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Since we had nothing else to do, we decided to go for a walk.

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Giải thích

Having had/ Having  nothing else to do, we decided to go for a walk.