Bộ 10 đề ôn thi học sinh giỏi Tiếng anh lớp 9 có đáp án (Đề 5)

It is important to create a safe, ………………….. ………environment for children. (threat)

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It is important to create a safe, ………………….. ………environment for children. (threat)

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Giải thích

It is important to create a safe, non-threatening environment for children. (threat)