Bộ ôn tập Từ cùng trường nghĩa môn Tiếng anh có đáp án (Part 12)
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The company has done a poor job of conserving its computer network.

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Circle the letter A, B, C, or D to indicate the underlined part that needs correction in each of the following questions.

The company has done a poor job of conserving its computer network.

        A                             B                            C     D

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Giải thích

Chọn C