Bộ ôn tập Từ cùng trường nghĩa môn Tiếng anh có đáp án (Part 8)

I'm sorry I replied to your email late. I was in bed faint/sick for a couple of days.

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I'm sorry I replied to your email late. I was in bed faint/sick for a couple of days.

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Giải thích

sick