100 câu trắc nghiệm Từ đồng nghĩa cơ bản (P4)
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Don't be concerned about your mother's illness; she'll recover soon

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Don't be concerned about your mother's illness; she'll recover soon.

surprised at

worried about

embarrassed at

angry with

Giải thích

Đáp án B.

be concerned about = be worried about (a) lo lắng về cái gì