Bộ 10 đề ôn thi học sinh giỏi Tiếng anh 9 năm 2023 có đáp án (Đề 3)

First of all, we have to learn (79) ……………….…………. to observe accurately, to think truthfully, to speak correctly and to write clearly

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First of all, we have to learn (79) ……………….…………. to observe accurately, to think truthfully, to speak correctly and to write clearly

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Giải thích

79) how