Bộ 10 đề ôn thi học sinh giỏi Tiếng anh 9 năm 2023 có đáp án (Đề 10)

Our help was ineffective. We are really ……………………………... (apology)

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Our help was ineffective. We are really ……………………………... (apology)

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Our help was ineffective. We are really apologetic. (apology)