Mark the letter ABC to indicate the underlined part that needs

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Câu hỏi Nhận biết

Mark the letter A,B,C to indicate the underlined part that needs correction in each of the following questions.

He (A)has read how (B)to use social media (B)before his son showed to him

LỜI GIẢI & ĐÁP ÁN

Mark the letter A,B,C to indicate the underlined part that needs correction in each of the following questions.He (A)has read how (B)to use social media (B)before his son showed to him đáp án