Bộ 20 đề ôn thi vào Chuyên Anh năm 2023 cực hay có lời giải (Đề 28)

For that reason, objectives like retirement benefits and pensions are (54)_______great concern to all professional athletes.

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For that reason, objectives like retirement benefits and pensions are (54)_______great concern to all professional athletes.

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Giải thích

Chọn D