500 Câu trắc nghiệm từ vựng ôn thi THPT QG môn Tiếng Anh có đáp án - Phần 6
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After congratulating his team, the coach left, allowing the players to let their hair down for a while.

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After congratulating his team, the coach left, allowing the players to let their hair down for a while.

relax and enjoy themselves

have their hair cut

stop and have a short break

let their hair dry

Giải thích

Chọn A

Thành ngữ: "let their hair down" = relax and enjoy themselves: thư giãn, tận hưởng