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

The information that Sonia gave me was ________so I can’t reveal anything. A. residential B. co-operative C. confidential D. occupational

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The information that Sonia gave me was ________so I can’t reveal anything.

residential

co-operative

confidential

occupational

Giải thích

Chọn C