Bộ ôn tập Từ cùng trường nghĩa môn Tiếng anh có đáp án (Part 6)
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Doctors are concerned/stressed out at the prospect of heart patients having to wait up to a year for surgery.

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Circle the word which best fits the sentence.

Doctors are concerned/stressed out at the prospect of heart patients having to wait up to a year for surgery.

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Giải thích

concerned