Bộ 20 đề ôn thi vào Chuyên Anh năm 2023 có đáp án (Đề 17)

He said: "We know children aren't getting physical activity because

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He said: "We know (5)__________ children aren't getting (6)__________ physical activity because we have seen their fitness declining;

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Giải thích

(5) that