Bộ 10 đề ôn thi học sinh giỏi Tiếng anh lớp 9 có đầy đủ đáp án (Đề 8)
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It must be kept mind that we shall have to be present before eight tomorrow.

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It must be kept …………………….. mind that we shall have to be present before eight tomorrow.

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Đáp án: It must be kept in mind that we shall have to be present before eight tomorrow.