Bài tập Tìm sửa lỗi sai có đáp án Phần 3

If I known you were in trouble yesterday, I would have_tielped you

36/100

If I known you were in trouble yesterday, I would have_tielped you.

         A             B       C                                           D

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Giải thích

Đáp án đúng là: A